Knowledge (XXG)

Samos (satellite)

Source πŸ“

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seconds after liftoff. The Agena-A second stage ignited at 506.7 seconds and cutoff at 629.3 seconds, as planned, but a loss of nitrogen gas pressure had disrupted the guidance and control systems at 123 seconds, resulting in poor trajectory and failure to orbit the payload. Tracking telemetry was lost prior to the Agena-A ignition, so the exact trajectory was unknown. SAMOS 1 was the first satellite in the series SAMOS launched by the US Air Force from Vandenberg Air Force Base aboard an Atlas Agena-A rocket. It was a first-generation photo surveillance satellite intended to radio relay images back to Earth but loss of nitrogen gas pressure disrupted the guidance and control systems, causing a second stage failure. No data were returned. The payload comprised photographic and related test equipment, telemetry, radiation, tracking, and command instrumentation. The payload was housed in the Agena second stage. The entire stage was designed to go into orbit. The stage, including payload and casing, had a planned orbital mass of 1,845 kg. It was a 6.7 meter high, 1.5-meter diameter cylinder. The first stage was a modified
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around, the Air Force statement did report the satellite as having attained orbit. Indeed, it did, but the Atlas malfunctioned yet again. This time, the sustainer engine did not cut off on schedule and continued operating until LOX depletion, putting the satellite into a high orbit, which resulted in the deorbit maneuver failing (although given that reentry would have taken place over densely-populated New England, this was not necessarily a bad thing). The reentry command had activated all systems in the satellite, quickly draining the batteries. With the loss of electrical power, the parachutes could not be deployed during reentry, and also since the retrorockets had been expended during the failed deorbit maneuver, SAMOS 5 would only leave orbit once it decayed naturally. Without the parachutes or retrorockets, the capsule's descent would be far too fast for air recovery to be possible, but it could still easily survive reentry and land almost anywhere. The spent Agena-B stage reentered over
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waveguide antenna, but the guidance system was not telemetered so an exact cause could not be determined. The guidance system was unable to generate any steering or programmed engine cutoff commands, however, backup signals from the missile programmer managed to ensure a proper flight path and on-time engine cutoff. The Agena-A malfunction was traced to a technician installing a pad umbilical release lanyard improperly, which resulted in the Agena-A nitrogen quick fill line being ripped out at liftoff. Film and photographs of the launch clearly showed the gas escaping. At Agena engine ignition, the performance was also below normal, suggesting damage to the pneumatic system as well.
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1 860 kg spacecraft was a cylinder 6.7 m long and 1.5 m in diameter, and it comprised the entire Agena-A second stage. Included in the instrumentation were photographic and associated test equipment, acoustical (Microphone Density Gauge) micrometeorite detection apparatus, a plasma probe, and an electric field meter. The computer on board was digital-to-analog. Telemetry, tracking, and command equipment completed the payload. Details about the satellite's transmitter were not announced. A conical nose cap detached from the satellite casing and remained in orbit. The expected lifetime of the satellite was 15 years, and the expected lifetime of the nose cap was 12 years.
202:) at 20:34 GMT on 11 October 1960, using Atlas vehicle 57D and Agena 2101. The Atlas lifted smoothly and steered downrange, as the weather was clear and cloudless, visibility was excellent and the launch vehicle could be seen until after booster section separation. Initial jubilation at the successful launch turned to dismay when the real-time telemetry readouts showed that the nitrogen pressure gas for the Agena-A's attitude control jets was gone. Without this, the stage could not be stabilized for ignition so that after separation from the Atlas, the Agena-A was left with no attitude control. Telemetry indicated an erratic attitude rate and abnormal gimbaling of the 301: 264: 373: 243:
electro-optical cameras, which transmitted images of approximately 30.5 m of resolution. On-orbit 21, ground controllers sent the command to jettison the F-1 antenna, which was partially obstructing the camera, in the hopes of even better images. However, something went disastrously wrong when all telemetry signals from SAMOS 2 ceased. It was believed that the separation mechanism for the F-1 antenna had caused the partial or complete disintegration of the satellite vehicle. SAMOS 2 remained in orbit until it decayed into the atmosphere on 21 October 1971.
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Postflight investigation found that an umbilical on PALC 1-1 had not detached on time, resulting in the booster being switched from internal to external power, but since the power umbilicals on the pad had already detached, the result was a complete loss of electrical power to all Atlas systems. The accident necessitated improved procedures to umbilical lanyard installation, and modifications to the launcher system to prevent the hold-down arms from releasing the launch vehicle until all umbilicals had detached.
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for the deorbit maneuver, SAMOS 6 was launched into a high orbit. In July 1963, fifteen months later, the satellite was on the verge of reentry. With the electrical system dead for months, there was again no chance of an air recovery of the capsule, but it could still survive reentry. However, it was calculated that impact would occur in the
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cutoff signals. Booster jettison happened a few seconds early, while the sustainer engine burned to LOX depletion. The booster pitched up about 160Β° at SECO, leaving the Agena oriented in the wrong direction for orbital insertion, so when its engine fired, it drove SAMOS 4 into the Pacific Ocean instead of orbit.
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The next attempt did not take place for seven months, because of the switch to the larger Agena-B second stage that could be restarted in orbit and the operational Program 101A satellites, which had a more advanced camera system with better resolution and a wider field of view. SAMOS satellites after
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SAMOS 2 was launched from the Pacific Missile Range at 20:24:00 GMT, into a near-circular polar orbit of 474 x 557 km, 94.97 min of revolution, and 97.4Β° of inclination, to determine the capability for making observations of space, the atmosphere, and the nature of the globe from satellites. The
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was launched on 7 March 1962 at 19:12:00 GMT, finally had no booster problems, in part due to modifications made to the Agena-B after lessons learned from previous missions, but a series of erroneous ground commands caused the satellite to deplete its attitude control gas. When the Agena stage fired
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found no indication that orbit had been achieved, and it was concluded that the vehicle had reentered and broken up over an unknown point in the Pacific Ocean. The postflight analysis also found that the Atlas guidance system had malfunctioned in flight, due to either a failure of the rate beacon or
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By the end of 1962, when the last SAMOS satellite flew, only the CORONA program had managed to return usable reconnaissance images. The photos obtained by SAMOS 2 back at the start of 1961 were considered little more than curiosities, their resolution too low for reconnaissance. The Lanyard program
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The 101B satellites were originally intended to use an encrypted communications system out of paranoia that the Soviets could not only intercept transmissions, but even reprogram the satellite to land on their territory. Unlike CORONA, the 101B satellites would land with the complete camera system,
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The major objective of the SAMOS 1 mission was to determine the engineering feasibility of obtaining ground observation capability from an orbiting satellite. It launched on 11 October 1960 at 20:34 GMT from the Pacific Missile Range in Point Arguello, California. The first stage separated at 249.9
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Like most early space programs, SAMOS had goals that exceeded what contemporary technology was capable of, and the launch vehicles used to orbit it were nearly as marginal as the satellite itself. Digital photography was not attempted successfully until the KH-11 satellites came online in the late
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In addition, aside program was operated during this period (Program 102) which launched a modified SAMOS on the Thor-Agena B with no cameras at all, but instead electronic monitoring equipment for detecting Soviet missile launches β€” what could be described as an early ELINT satellite. Four of
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It was believed that the improper pitch signals on SAMOS 4's launch vehicle had been caused by the accidental separation of a heat shield covering the retrorockets on the Atlas equipment pods. This would have caused aerodynamic heating of the pitch gyro, and the failure was extremely similar to an
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Several more 101/101A satellites were either completed or in a state of partial completion when the program was called off, but the problem of how to dispose of them was never satisfactorily solved. Most were left mothballed in warehouses or scrapped. There was talk of giving the camera systems to
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After SAMOS 3, it was decided to abandon the Program 101/101A satellites entirely and switch to a more conventional film recovery capsule, since the one successful mission had not proven the viability of the electro-optical camera system. While the 101/101A satellites separated from the Agena-B in
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was a series of scientific satellites, but SAMOS's real purpose was known from the beginning, and efforts to not link it to Discoverer were made. Although the existence and mission purpose of SAMOS was publicly acknowledged until the fall of 1961, the Air Force did not release detailed information
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and in all likelihood, the cold ocean water would crack the heat shield and cause it to sink. No attempt was made to recover SAMOS 6, which did apparently land in the Arabian Sea. At this point, the idea of the recoverable capsule was abandoned and the electro-optical system put back into use. It
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SAMOS 4 was the first fully top-secret DoD space mission, as President Kennedy had issued an executive order putting all DoD space programs under strict secrecy. The Air Force announcement said nothing other than that a satellite had been launched on 22 November from PALC 1-1 on an Atlas-Agena B
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testing for bad transistors and super-clean propellant tanks. Unfortunately, the launch was another failure, albeit less dramatic than SAMOS 3. The Atlas suffered a guidance malfunction at T+245 seconds into launch that resulted in loss of pitch control, as well as improper booster and sustainer
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was launched on 31 January 1961, on Atlas 70D and Agena 2102. Unlike with SAMOS 1, the weather was foggy and gray, and the pad was not even visible from the blockhouse. This time, everything worked perfectly and SAMOS 2 achieved orbit. The F-1 ferret system was tested first, followed by the E-1
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was launched on 22 December 1961 at 19:12:00 GMT, was a first-generation, low-resolution photo surveillance spacecraft, once again with nothing but a brief statement by the Air Force about a launch taking place aboard an Atlas-Agena B from PALC 1-1. Space program observers noted that this time
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lifted from PALC 1-1 on 9 September 1961 at 00:00:00 GMT, was a US Air Force first-generation photo surveillance satellite with 7 instruments on board but the Atlas booster's engines shut down after the rocket had ascended about 29 cm and it fell back onto the pad in an enormous fireball.
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When 6 January 1962 came, the indications were that SAMOS 5 impacted somewhere in northwestern Canada. A US Air Force search party attempted to obtain Canadian permission to search the suspected area, but were unable to explain exactly what they were looking for. The Canadian authorities were
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shootdown in May 1960. Unbeknownst to the Pentagon, Soviet missiles were deployed in far smaller numbers than generally believed and their reliability was no better than any US missile. The initial SAMOS satellites were known as Program 101 and were merely a test model designed to verify the
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As it turned out, PALC 1-1 was not seriously damaged by the explosion of SAMOS 3's booster and repair work only consisted of plumbing and electrical equipment, replacing the launcher mechanism, and cleaning and repainting. By 29 October, the pad was fully restored to working condition.
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about the partial recovery of what he believed was a SAMOS satellite, except the date, was the winter before the program started. A second capsule was apparently recovered in early 1961, although the device had been disassembled by local farmers, exposing film and preventing the
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108.2 million (inflation adjusted US$ 1.14 billion in 2024). For SAMOS, USAF, and ARPA spent a combined sum of US$ 82.9 million in FY1959 (inflation adjusted US$ 0.87 billion in 2024) and US$ 163.9 million in FY1960 (inflation adjusted US$ 1.69 billion in 2024).
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not just the film capsule, and the Pentagon and State Department dreaded the consequences of a landing on Soviet territory. Ultimately, the encrypted communication requirement was dropped in October 1961, a mere month before the first 101B satellite launched.
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A loss of nitrogen gas pressure had disrupted the guidance and control systems at 123 seconds, resulting in poor trajectory and failure to orbit the payload. Tracking telemetry were lost prior to the Agena-A ignition, so the exact trajectory was unknown.
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incident that occurred during the launch of MIDAS 4 a month earlier, and it led to redesigned heat shields over the retrorockets. The guidance system tracking beacon had also failed in flight, causing the absence of programmed BECO/SECO commands.
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Some additional payloads were sometimes on board, mostly scientific devices for learning more about the space environment so that future satellites could be better-designed for spaceflight. The satellites as launched varied in
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these were launched from 1962 to 1963 with one failure when the first satellite's Agena-B failed to restart in orbit. The standard SAMOS apparently also carried ELINT subsatellites that remained attached to the Agena-B stage.
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and the name was picked with the belief that nobody would associate it with reconnaissance. However, a mistaken rumor later emerged that the name was an acronym for "Satellite And Missile Observation System". President
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stationed in the UK, Italy, and Turkey were not much of an improvement, also their bases could be attacked by Soviet bombers. Intelligence on Soviet missile activities was considered vital, but the only viable option,
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vehicle. SAMOS 4's failure to orbit also went unannounced, although since the Air Force never confirmed that it reached orbit, space program observers quickly guessed that the launch was not a success.
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program, which saw its first launch in February 1959, began operation. SAMOS emerged as a more advanced satellite with additional capabilities that due to its larger mass would be launched on the
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NASA for the planetary probe program, but they were of doubtful value for taking photographs of the Moon. The Agena stages that could not be repurposed for other programs were scrapped.
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Atlas attitude control failure at T+247 seconds leaving the booster oriented in the wrong direction. The Agena-B could not attain orbital velocity and fell into the Pacific Ocean.
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While CORONA began flying in 1959, the reliability of the program for its first three years was abysmal and a backup reconnaissance program was needed. Moreover, the fear of the "
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The next two Program 101B satellites contained several technical improvements, such as more sophisticated telemetry and control/communications systems and improved cameras.
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was adamant about cultivating the image that the US space program was only for peaceful purposes. The Air Force for a while managed to create the fiction that
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aircraft had accidentally lost a nuclear warhead somewhere, and since this was not an easily resolved matter, the search was called off. Later on, a pair of
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orbit, the 101B would remain attached and would use it for orbital maneuvers and also deorbiting the film capsule at the end of the mission.
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Pad umbilical disconnect 0.21 seconds later than intended. The Atlas lost electrical power and fell back onto the pad, exploding.
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film cameras that appeared in later launches, but only a few were used. The E-5 would later be called upon in the short-lived
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return system where the camera and used film would be ejected and be retrieved as it floated down through the atmosphere by
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type of camera, which was eventually cancelled. It likely had higher resolution, and may have been superseded by the later
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devices, for "ferreting" information by spying on electronic communication. A more modern term for that activity would be
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SAMOS 2 also sported a large "mushroom cap" nose cone, as early plans had envisioned flying a crewed capsule similar to
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R. Cargill Hall - SAMOS to the Moon: The Clandestine Transfer of Reconnaissance Technology Between Federal Agencies
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First generation photo surveillance; radio relay of images; micrometeoroid impact data. Decayed 21 October 1971.
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had by this time emerged as a successor to SAMOS, and by 1962, CORONA was at last reaching operational status.
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launch took place from PALC 1-1 (Point Arguello Launch Complex - later absorbed into the main launch center at
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E-1 camera, particularly the unique system of developing and scanning the film on orbit, was later adopted by
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on 31 December, and it was calculated that reentry of the satellite itself would happen on 6 January 1962.
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engine. The Agena-A burn lasted 123 seconds, slightly longer than nominal, but tracking stations in VAFB,
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with film canister returns and transmittals over the United States. SAMOS was first launched in 1960 from
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proved no more successful than before and after another five SAMOS launches, the program was terminated.
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reconnaissance aircraft searched the suspected area, but failed to locate any satellite debris.
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in 1956. In May 1958, the Department of Defense directed the transfer of the WS-117L program to
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SAMOS started as part of the WS-117L satellite reconnaissance and protection program of the
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from determining the satellite's capabilities. It may or may not have been a SAMOS.
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purposes, but it was cancelled with the functionality being taken up by the
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about the satellites or exactly what they were doing during their missions.
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in the early 1960s, also used as a cover for the initial development of the
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From October 1960 to November 1962, at least 11 launch attempts were made.
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SAMOS 2 (1961 alpha 1): Orbit determination and analysis at 31:2 response
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was performed with film cameras and television surveillance from polar
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cameras used the readout method. Little is known about the
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https://nssdc.gsfc.nasa.gov/nmc/spacecraft/spacecraft/query
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camera was initially planned for relatively low-resolution
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An artist impression of SAMOS photoreconnaissance missions.
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that would take a picture and send the scanned image via
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Misidentified as Satellite and Missile Observation System
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Series of reconnaissance satellites for the United States
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1958, WS-117L was funded by the Air Force at a level of
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http://www.globalsecurity.org/space/systems/samos_b.htm
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http://www.globalsecurity.org/space/systems/samos_a.htm
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Archived from 825:were made, and at least four different types of 157:operability of the photo-optical camera system. 152:reconnaissance flights, had been halted by the 66:SAMOS was also known by the unclassified terms 39:program was a relatively short-lived series of 5313:Reconnaissance satellites of the United States 2361: 1923: 1547: 1028:Some satellites were equipped with so-called 412:Portions of the program are still considered 8: 1313:"NASA - NSSDCA - Experiment - Query Results" 873:SAMOS satellites used four types of cameras. 271:The SAMOS 3 launch was a complete disaster. 1060:SAMOS 2 was the first satellite to enter a 5333:Military equipment introduced in the 1960s 2368: 2354: 2346: 2320: 2293: 2220: 2103: 1961: 1930: 1916: 1908: 1763: 1707: 1581: 1574: 1554: 1540: 1532: 1221:"Chronology of Air Force space activities" 933: 821:At least two different generations of the 429: 5328:National Reconnaissance Office satellites 1396: 1394: 1392: 1390: 829:were used. Early on, the idea was to use 371: 335: 262: 230: 186: 1424: 1422: 1420: 1418: 1416: 1115: 1481:: CS1 maint: archived copy as title ( 1474: 1350:"NASA - NSSDCA - Spacecraft - Details" 1327:"NASA - NSSDCA - Spacecraft - Details" 1299:"NASA - NSSDCA - Spacecraft - Details" 1261:"NASA - NSSDCA - Spacecraft - Details" 308:On 22 November 1961 at 00:00:00 GMT, 7: 869:SAMOS cameras type and configuration 1169:"The history of spaceflight: SAMOS" 1125:- type SAMOS in the spacecraft box. 5323:Satellites formerly orbiting Earth 14: 857:capability emerged in the 1970s. 1939: 191:Atlas LV-3A Agena A with SAMOS 1 1052:from 1,845 to 1,890 kilograms. 436: 104:(ELINT Ferret reconnaissance). 1564:National Reconnaissance Office 420:, but was overshadowed by the 124:During this period, the rival 1: 927:for NASA moon cartographic 795:11 November 1962 609:22 December 1961 578:22 November 1961 547:9 September 1961 5354: 2164:Geosynchronous Earth orbit 815:Decayed 12 November 1962. 516:31 January 1961 484:11 October 1960 376:Atlas Agena B with SAMOS 6 340:Atlas Agena B with SAMOS 5 304:Atlas Agena B with Samos 4 267:Atlas Agena B with SAMOS 3 235:Atlas Agena A with Samos 2 165:"Samos" was the name of a 5273: 1949:reconnaissance satellites 1430:Encyclopedia Astronautica 1135:Gerald K. Haines (1997). 200:Vandenberg Air Force Base 61:Vandenberg Air Force Base 41:reconnaissance satellites 2067:Synthetic-aperture radar 764:5 August 1962 671:26 April 1962 629:Decayed 14 August 1962. 5275:Unknown or not assigned 2377:United States Air Force 2141:Highly elliptical orbit 2057:Enhanced Imaging System 1402:The High Ground - SAMOS 968:30 m (100 ft) 904:(Argon) satellite. The 784:Decayed 6 August 1962. 733:18 July 1962 702:17 June 1962 691:Decayed 28 April 1962. 640:7 March 1962 418:United States Air Force 132:booster instead of the 94:United States Air Force 1019:2.4 m (8 ft) 1002:1.5 m (5 ft) 870: 837:to ground stations on 753:Decayed 25 July 1962. 722:Decayed 18 June 1962. 414:classified information 377: 341: 305: 268: 236: 192: 24: 1062:Sun-synchronous orbit 985:6 m (20 ft) 929:Lunar Orbiter program 868: 831:frame readout cameras 660:Decayed 7 June 1963. 375: 339: 303: 266: 234: 190: 22: 1034:Signals Intelligence 5318:Military satellites 5308:1963 in spaceflight 5303:1962 in spaceflight 5298:1961 in spaceflight 5293:1960 in spaceflight 1167:Jonathan McDowell. 1104:James Gilbert Baker 1068:Recovery by Soviets 999:1.67 m (66 in) 982:0.91 m (36 in) 965:1.83 m (72 in) 938: 920:(Lanyard) program. 434: 1562:Satellites of the 1495:Walker, D. M. C., 1438:2010-01-16 at the 1407:2007-05-21 at the 1022:280 km width 1016:0.7 m (28 in) 1005:98 km length 971:161 Γ— 161 km 934: 871: 430: 378: 356:suspicious that a 342: 306: 269: 237: 193: 25: 5280: 5279: 2343: 2342: 2339: 2338: 2312: 2311: 2285: 2284: 2255:Secondary mission 2210: 2209: 2192:Rhyolite/Aquacade 2093: 2092: 1905: 1904: 1844: 1843: 1840: 1839: 1776:Rhyolite/Aquacade 1697: 1696: 1667: 1666: 1083:Sergei Khrushchev 1078: 1075:Section data from 1026: 1025: 937: 875: 843:photographic film 819: 818: 433: 411: 88:WS-117L and costs 5345: 5338:Satellite series 5261: 5251: 5246: 5241: 5231: 5215: 5205: 5195: 5185: 5175: 5170: 5165: 5160: 5155: 5145: 5130: 5125: 5120: 5100: 5095: 5079: 5069: 5059: 5039: 5034: 5029: 5024: 5014: 4998: 4993: 4988: 4983: 4923: 4913: 4883: 4878: 4848: 4823: 4793: 4788: 4783: 4768: 4748: 4738: 4688: 4683: 4668: 4663: 4658: 4628: 4623: 4538: 4533: 4528: 4523: 4488: 4483: 4448: 4443: 4438: 4433: 4423: 4378: 4368: 4358: 4348: 4343: 4338: 4333: 4323: 4237: 4217: 4197: 4187: 4167: 4147: 4137: 4127: 4117: 3991: 3872: 3835: 3718: 3703: 3668: 3663: 3633: 3453: 3436: 3317: 3312: 3302: 3272: 3199: 3179: 3159: 3154: 3149: 3144: 3139: 3066: 3056: 3046: 3011: 3006: 3001: 2996: 2961: 2956: 2941: 2915: 2905: 2895: 2885: 2875: 2845: 2825: 2805: 2795: 2785: 2765: 2687: 2677: 2657: 2652: 2642: 2597: 2490: 2485: 2480: 2475: 2465: 2455: 2450: 2430: 2370: 2363: 2356: 2347: 2321: 2294: 2221: 2104: 1962: 1944: 1943: 1932: 1925: 1918: 1909: 1764: 1708: 1582: 1575: 1556: 1549: 1542: 1533: 1504: 1493: 1487: 1486: 1480: 1472: 1470: 1469: 1463: 1457:. Archived from 1456: 1448: 1442: 1426: 1411: 1398: 1385: 1384: 1382: 1381: 1375: 1369:. Archived from 1368: 1360: 1354: 1353: 1346: 1340: 1337: 1331: 1330: 1323: 1317: 1316: 1309: 1303: 1302: 1295: 1289: 1288: 1286: 1284: 1279: 1271: 1265: 1264: 1257: 1251: 1248: 1242: 1241: 1239: 1238: 1232: 1225: 1217: 1211: 1210: 1208: 1207: 1201: 1194: 1186: 1180: 1179: 1177: 1176: 1171:. Planet4589.org 1164: 1158: 1157: 1155: 1154: 1148: 1141: 1132: 1126: 1120: 1073: 988:27 Γ— 27 km 939: 936: 914:panoramic format 874: 435: 432: 410: 405:Vehicle missions 161:Name and secrecy 120:CORONA and SAMOS 57:low Earth orbits 5353: 5352: 5348: 5347: 5346: 5344: 5343: 5342: 5283: 5282: 5281: 5276: 5269: 5259: 5249: 5244: 5239: 5229: 5218: 5213: 5203: 5193: 5183: 5173: 5168: 5163: 5158: 5153: 5143: 5128: 5123: 5118: 5098: 5093: 5082: 5077: 5067: 5057: 5037: 5032: 5027: 5022: 5012: 5001: 4996: 4991: 4986: 4981: 4921: 4911: 4881: 4876: 4846: 4821: 4791: 4786: 4781: 4766: 4746: 4736: 4686: 4681: 4666: 4661: 4656: 4626: 4621: 4536: 4531: 4526: 4521: 4486: 4481: 4446: 4441: 4436: 4431: 4421: 4376: 4366: 4356: 4346: 4341: 4336: 4331: 4321: 4240: 4235: 4215: 4195: 4185: 4165: 4145: 4135: 4125: 4115: 4099: 3989: 3870: 3833: 3716: 3701: 3666: 3661: 3631: 3451: 3434: 3315: 3310: 3300: 3270: 3222: 3197: 3177: 3157: 3152: 3147: 3142: 3137: 3064: 3054: 3044: 3009: 3004: 2999: 2994: 2959: 2954: 2939: 2923: 2913: 2903: 2893: 2883: 2873: 2843: 2823: 2803: 2793: 2783: 2763: 2722: 2685: 2675: 2655: 2650: 2640: 2595: 2488: 2483: 2478: 2473: 2463: 2453: 2448: 2428: 2380: 2374: 2344: 2335: 2308: 2297:Primary mission 2281: 2250: 2224:Primary mission 2206: 2158: 2135: 2108:Low Earth orbit 2089: 2061: 2034:Electro-optical 2028: 1951: 1938: 1936: 1906: 1901: 1865: 1836: 1813: 1790: 1753: 1732: 1693: 1663: 1647: 1626: 1566: 1560: 1513: 1508: 1507: 1494: 1490: 1473: 1467: 1465: 1461: 1454: 1452:"Archived copy" 1450: 1449: 1445: 1440:Wayback Machine 1427: 1414: 1409:Wayback Machine 1399: 1388: 1379: 1377: 1373: 1366: 1362: 1361: 1357: 1348: 1347: 1343: 1338: 1334: 1325: 1324: 1320: 1311: 1310: 1306: 1297: 1296: 1292: 1282: 1280: 1277: 1273: 1272: 1268: 1259: 1258: 1254: 1249: 1245: 1236: 1234: 1230: 1223: 1219: 1218: 1214: 1205: 1203: 1199: 1192: 1188: 1187: 1183: 1174: 1172: 1166: 1165: 1161: 1152: 1150: 1146: 1139: 1134: 1133: 1129: 1121: 1117: 1112: 1100: 1070: 1058: 863: 855:digital imaging 853:satellite with 407: 370: 334: 298: 261: 253:Project Mercury 229: 185: 163: 122: 90: 85: 80: 17: 12: 11: 5: 5351: 5349: 5341: 5340: 5335: 5330: 5325: 5320: 5315: 5310: 5305: 5300: 5295: 5285: 5284: 5278: 5277: 5274: 5271: 5270: 5268: 5267: 5262: 5257: 5252: 5247: 5242: 5237: 5232: 5226: 5224: 5220: 5219: 5217: 5216: 5211: 5206: 5201: 5196: 5191: 5186: 5181: 5176: 5171: 5166: 5161: 5156: 5151: 5146: 5141: 5136: 5131: 5126: 5121: 5116: 5115: 5114: 5109: 5101: 5096: 5090: 5088: 5084: 5083: 5081: 5080: 5075: 5070: 5065: 5060: 5055: 5050: 5045: 5040: 5035: 5030: 5025: 5020: 5015: 5009: 5007: 5003: 5002: 5000: 4999: 4994: 4989: 4984: 4979: 4978: 4977: 4972: 4967: 4962: 4957: 4952: 4947: 4942: 4937: 4932: 4924: 4919: 4914: 4909: 4908: 4907: 4902: 4897: 4889: 4884: 4879: 4874: 4873: 4872: 4867: 4859: 4854: 4849: 4844: 4843: 4842: 4837: 4832: 4824: 4819: 4818: 4817: 4812: 4804: 4799: 4794: 4789: 4784: 4779: 4774: 4769: 4764: 4763: 4762: 4757: 4749: 4744: 4739: 4734: 4729: 4724: 4723: 4722: 4717: 4709: 4708: 4707: 4702: 4694: 4689: 4684: 4679: 4674: 4669: 4664: 4659: 4654: 4649: 4648: 4647: 4642: 4637: 4629: 4624: 4619: 4614: 4609: 4604: 4603: 4602: 4597: 4592: 4587: 4582: 4577: 4572: 4567: 4559: 4558: 4557: 4552: 4547: 4539: 4534: 4529: 4524: 4519: 4514: 4509: 4504: 4499: 4494: 4489: 4484: 4479: 4474: 4473: 4472: 4467: 4459: 4454: 4449: 4444: 4439: 4434: 4429: 4424: 4419: 4414: 4409: 4404: 4399: 4398: 4397: 4392: 4384: 4379: 4374: 4369: 4364: 4359: 4354: 4349: 4344: 4339: 4334: 4329: 4324: 4319: 4314: 4309: 4304: 4299: 4298: 4297: 4292: 4284: 4283: 4282: 4277: 4269: 4268: 4267: 4262: 4254: 4248: 4246: 4242: 4241: 4239: 4238: 4233: 4228: 4223: 4218: 4213: 4212: 4211: 4206: 4198: 4193: 4188: 4183: 4182: 4181: 4176: 4168: 4163: 4162: 4161: 4156: 4148: 4143: 4138: 4133: 4128: 4123: 4118: 4113: 4107: 4105: 4101: 4100: 4098: 4097: 4096: 4095: 4090: 4085: 4077: 4076: 4075: 4070: 4065: 4060: 4055: 4047: 4046: 4045: 4040: 4035: 4027: 4022: 4021: 4020: 4015: 4007: 4002: 3997: 3992: 3987: 3986: 3985: 3980: 3972: 3967: 3962: 3957: 3952: 3951: 3950: 3945: 3937: 3936: 3935: 3930: 3925: 3917: 3912: 3911: 3910: 3905: 3900: 3890: 3889: 3888: 3878: 3873: 3868: 3867: 3866: 3861: 3853: 3848: 3847: 3846: 3836: 3831: 3830: 3829: 3824: 3816: 3811: 3806: 3805: 3804: 3799: 3791: 3786: 3781: 3776: 3771: 3766: 3761: 3756: 3751: 3746: 3741: 3740: 3739: 3729: 3724: 3719: 3714: 3709: 3704: 3699: 3694: 3689: 3688: 3687: 3682: 3674: 3669: 3664: 3659: 3654: 3649: 3648: 3647: 3642: 3634: 3629: 3624: 3619: 3618: 3617: 3612: 3607: 3599: 3594: 3589: 3584: 3579: 3574: 3573: 3572: 3567: 3559: 3554: 3549: 3544: 3543: 3542: 3537: 3529: 3524: 3519: 3518: 3517: 3512: 3504: 3503: 3502: 3497: 3489: 3488: 3487: 3482: 3474: 3469: 3464: 3459: 3454: 3449: 3448: 3447: 3437: 3432: 3431: 3430: 3425: 3417: 3412: 3411: 3410: 3405: 3400: 3395: 3390: 3382: 3377: 3376: 3375: 3370: 3362: 3357: 3352: 3351: 3350: 3345: 3335: 3334: 3333: 3328: 3318: 3313: 3308: 3303: 3298: 3293: 3288: 3287: 3286: 3278: 3273: 3268: 3263: 3258: 3257: 3256: 3251: 3246: 3241: 3230: 3228: 3224: 3223: 3221: 3220: 3219: 3218: 3213: 3205: 3200: 3195: 3194: 3193: 3188: 3180: 3175: 3170: 3165: 3160: 3155: 3150: 3145: 3140: 3135: 3134: 3133: 3123: 3122: 3121: 3111: 3110: 3109: 3099: 3094: 3089: 3088: 3087: 3082: 3072: 3067: 3062: 3057: 3052: 3047: 3042: 3037: 3032: 3031: 3030: 3025: 3017: 3012: 3007: 3002: 2997: 2992: 2987: 2982: 2977: 2976: 2975: 2970: 2962: 2957: 2952: 2947: 2942: 2937: 2931: 2929: 2925: 2924: 2922: 2921: 2916: 2911: 2906: 2901: 2896: 2891: 2886: 2881: 2876: 2871: 2870: 2869: 2864: 2856: 2851: 2846: 2841: 2836: 2831: 2826: 2821: 2816: 2811: 2806: 2801: 2796: 2791: 2786: 2781: 2776: 2771: 2766: 2761: 2756: 2755: 2754: 2749: 2744: 2736: 2730: 2728: 2724: 2723: 2721: 2720: 2719: 2718: 2713: 2708: 2703: 2693: 2688: 2683: 2678: 2673: 2668: 2663: 2658: 2653: 2648: 2643: 2638: 2633: 2632: 2631: 2626: 2618: 2613: 2608: 2603: 2598: 2593: 2588: 2583: 2578: 2573: 2568: 2563: 2558: 2557: 2556: 2551: 2546: 2541: 2536: 2526: 2525: 2524: 2519: 2514: 2506: 2505: 2504: 2499: 2491: 2486: 2481: 2476: 2471: 2466: 2461: 2456: 2451: 2446: 2445: 2444: 2439: 2431: 2426: 2421: 2416: 2411: 2406: 2405: 2404: 2394: 2388: 2386: 2382: 2381: 2379:system numbers 2375: 2373: 2372: 2365: 2358: 2350: 2341: 2340: 2337: 2336: 2334: 2333: 2327: 2325: 2318: 2314: 2313: 2310: 2309: 2307: 2306: 2300: 2298: 2291: 2287: 2286: 2283: 2282: 2280: 2279: 2274: 2269: 2264: 2258: 2256: 2252: 2251: 2249: 2248: 2243: 2238: 2233: 2227: 2225: 2218: 2212: 2211: 2208: 2207: 2205: 2204: 2199: 2194: 2189: 2184: 2182:Mentor (Orion) 2179: 2174: 2168: 2166: 2160: 2159: 2157: 2156: 2151: 2145: 2143: 2137: 2136: 2134: 2133: 2128: 2123: 2118: 2112: 2110: 2101: 2095: 2094: 2091: 2090: 2088: 2087: 2082: 2077: 2071: 2069: 2063: 2062: 2060: 2059: 2054: 2049: 2044: 2038: 2036: 2030: 2029: 2027: 2026: 2021: 2016: 2011: 2006: 2001: 1996: 1991: 1986: 1981: 1976: 1970: 1968: 1959: 1953: 1952: 1937: 1935: 1934: 1927: 1920: 1912: 1903: 1902: 1900: 1899: 1894: 1889: 1884: 1879: 1873: 1871: 1867: 1866: 1864: 1863: 1858: 1852: 1850: 1846: 1845: 1842: 1841: 1838: 1837: 1835: 1834: 1829: 1823: 1821: 1815: 1814: 1812: 1811: 1806: 1800: 1798: 1792: 1791: 1789: 1788: 1783: 1778: 1772: 1770: 1761: 1755: 1754: 1752: 1751: 1746: 1740: 1738: 1734: 1733: 1731: 1730: 1725: 1720: 1714: 1712: 1711:Radar location 1705: 1699: 1698: 1695: 1694: 1692: 1691: 1686: 1681: 1675: 1673: 1669: 1668: 1665: 1664: 1662: 1661: 1655: 1653: 1649: 1648: 1646: 1645: 1640: 1634: 1632: 1628: 1627: 1625: 1624: 1622:Kennen/Crystal 1619: 1614: 1609: 1604: 1599: 1594: 1588: 1586: 1579: 1572: 1568: 1567: 1561: 1559: 1558: 1551: 1544: 1536: 1530: 1529: 1524: 1519: 1512: 1509: 1506: 1505: 1488: 1443: 1412: 1386: 1355: 1341: 1332: 1318: 1304: 1290: 1266: 1252: 1243: 1212: 1181: 1159: 1127: 1114: 1113: 1111: 1108: 1107: 1106: 1099: 1096: 1080: 1079: 1069: 1066: 1057: 1054: 1024: 1023: 1020: 1017: 1014: 1011: 1007: 1006: 1003: 1000: 997: 994: 990: 989: 986: 983: 980: 977: 973: 972: 969: 966: 963: 960: 956: 955: 952: 949: 946: 943: 862: 859: 817: 816: 813: 808: 805: 802: 799: 796: 793: 786: 785: 782: 777: 774: 771: 768: 765: 762: 755: 754: 751: 746: 743: 740: 737: 734: 731: 724: 723: 720: 715: 712: 709: 706: 703: 700: 693: 692: 689: 684: 681: 678: 675: 672: 669: 662: 661: 658: 653: 650: 647: 644: 641: 638: 631: 630: 627: 622: 619: 616: 613: 610: 607: 600: 599: 596: 591: 588: 585: 582: 579: 576: 569: 568: 565: 560: 557: 554: 551: 548: 545: 538: 537: 534: 529: 526: 523: 520: 517: 514: 507: 506: 502: 497: 494: 491: 488: 485: 482: 475: 474: 471: 465: 460: 454: 448: 442: 439: 431:SAMOS launches 406: 403: 369: 366: 333: 330: 297: 294: 260: 257: 228: 225: 184: 181: 162: 159: 121: 118: 89: 86: 84: 81: 79: 76: 53:Reconnaissance 15: 13: 10: 9: 6: 4: 3: 2: 5350: 5339: 5336: 5334: 5331: 5329: 5326: 5324: 5321: 5319: 5316: 5314: 5311: 5309: 5306: 5304: 5301: 5299: 5296: 5294: 5291: 5290: 5288: 5272: 5266: 5263: 5258: 5256: 5253: 5248: 5243: 5238: 5236: 5233: 5228: 5227: 5225: 5221: 5212: 5210: 5207: 5202: 5200: 5197: 5192: 5190: 5187: 5182: 5180: 5177: 5172: 5167: 5162: 5157: 5152: 5150: 5147: 5142: 5140: 5137: 5135: 5132: 5127: 5122: 5117: 5113: 5110: 5108: 5105: 5104: 5102: 5097: 5092: 5091: 5089: 5085: 5076: 5074: 5071: 5066: 5064: 5061: 5056: 5054: 5051: 5049: 5046: 5044: 5041: 5036: 5031: 5026: 5021: 5019: 5016: 5011: 5010: 5008: 5004: 4995: 4990: 4985: 4980: 4976: 4973: 4971: 4968: 4966: 4963: 4961: 4958: 4956: 4953: 4951: 4948: 4946: 4943: 4941: 4938: 4936: 4933: 4931: 4928: 4927: 4925: 4920: 4918: 4915: 4910: 4906: 4903: 4901: 4898: 4896: 4893: 4892: 4890: 4888: 4885: 4880: 4875: 4871: 4868: 4866: 4863: 4862: 4860: 4858: 4855: 4853: 4850: 4845: 4841: 4838: 4836: 4833: 4831: 4828: 4827: 4825: 4820: 4816: 4813: 4811: 4808: 4807: 4805: 4803: 4800: 4798: 4795: 4790: 4785: 4780: 4778: 4775: 4773: 4770: 4765: 4761: 4758: 4756: 4753: 4752: 4750: 4745: 4743: 4740: 4735: 4733: 4730: 4728: 4725: 4721: 4718: 4716: 4713: 4712: 4710: 4706: 4703: 4701: 4698: 4697: 4695: 4693: 4690: 4685: 4680: 4678: 4675: 4673: 4670: 4665: 4660: 4655: 4653: 4650: 4646: 4643: 4641: 4638: 4636: 4633: 4632: 4630: 4625: 4620: 4618: 4615: 4613: 4610: 4608: 4605: 4601: 4598: 4596: 4593: 4591: 4588: 4586: 4583: 4581: 4578: 4576: 4573: 4571: 4568: 4566: 4563: 4562: 4560: 4556: 4553: 4551: 4548: 4546: 4543: 4542: 4540: 4535: 4530: 4525: 4520: 4518: 4515: 4513: 4510: 4508: 4505: 4503: 4500: 4498: 4495: 4493: 4490: 4485: 4480: 4478: 4475: 4471: 4468: 4466: 4463: 4462: 4460: 4458: 4455: 4453: 4450: 4445: 4440: 4435: 4430: 4428: 4425: 4420: 4418: 4415: 4413: 4410: 4408: 4405: 4403: 4400: 4396: 4393: 4391: 4388: 4387: 4385: 4383: 4380: 4375: 4373: 4370: 4365: 4363: 4360: 4355: 4353: 4350: 4345: 4340: 4335: 4330: 4328: 4325: 4320: 4318: 4315: 4313: 4310: 4308: 4305: 4303: 4300: 4296: 4293: 4291: 4288: 4287: 4285: 4281: 4278: 4276: 4273: 4272: 4270: 4266: 4263: 4261: 4258: 4257: 4255: 4253: 4250: 4249: 4247: 4243: 4234: 4232: 4229: 4227: 4224: 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1890: 1888: 1885: 1883: 1880: 1878: 1875: 1874: 1872: 1868: 1862: 1859: 1857: 1854: 1853: 1851: 1849:Communication 1847: 1833: 1830: 1828: 1825: 1824: 1822: 1820: 1816: 1810: 1807: 1805: 1802: 1801: 1799: 1797: 1793: 1787: 1784: 1782: 1779: 1777: 1774: 1773: 1771: 1769: 1765: 1762: 1760: 1756: 1750: 1747: 1745: 1742: 1741: 1739: 1737:Ship location 1735: 1729: 1726: 1724: 1723:Chalet/Vortex 1721: 1719: 1716: 1715: 1713: 1709: 1706: 1704: 1700: 1690: 1687: 1685: 1684:Lacrosse/Onyx 1682: 1680: 1677: 1676: 1674: 1670: 1660: 1657: 1656: 1654: 1650: 1644: 1641: 1639: 1636: 1635: 1633: 1629: 1623: 1620: 1618: 1615: 1613: 1610: 1608: 1605: 1603: 1600: 1598: 1595: 1593: 1590: 1589: 1587: 1583: 1580: 1576: 1573: 1569: 1565: 1557: 1552: 1550: 1545: 1543: 1538: 1537: 1534: 1528: 1525: 1523: 1520: 1518: 1515: 1514: 1510: 1502: 1498: 1492: 1489: 1484: 1478: 1464:on 2020-04-11 1460: 1453: 1447: 1444: 1441: 1437: 1434: 1431: 1425: 1423: 1421: 1419: 1417: 1413: 1410: 1406: 1403: 1397: 1395: 1393: 1391: 1387: 1376:on 2015-12-23 1372: 1365: 1359: 1356: 1351: 1345: 1342: 1336: 1333: 1328: 1322: 1319: 1314: 1308: 1305: 1300: 1294: 1291: 1276: 1270: 1267: 1262: 1256: 1253: 1247: 1244: 1233:on 2011-10-16 1229: 1222: 1216: 1213: 1202:on 2013-02-24 1198: 1191: 1185: 1182: 1170: 1163: 1160: 1149:on 2014-07-13 1145: 1138: 1131: 1128: 1124: 1119: 1116: 1109: 1105: 1102: 1101: 1097: 1095: 1093: 1088: 1085:wrote in his 1084: 1076: 1072: 1071: 1067: 1065: 1063: 1055: 1053: 1051: 1045: 1043: 1039: 1035: 1031: 1021: 1018: 1015: 1012: 1009: 1008: 1004: 1001: 998: 995: 992: 991: 987: 984: 981: 978: 975: 974: 970: 967: 964: 961: 958: 957: 953: 950: 947: 944: 941: 940: 935:SAMOS cameras 932: 930: 926: 921: 919: 915: 911: 907: 903: 899: 895: 891: 887: 883: 879: 867: 860: 858: 856: 852: 848: 844: 840: 836: 832: 828: 824: 814: 812: 809: 806: 803: 800: 797: 794: 791: 788: 787: 783: 781: 778: 775: 772: 769: 766: 763: 760: 757: 756: 752: 750: 747: 744: 741: 738: 735: 732: 729: 726: 725: 721: 719: 716: 713: 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2501: 2047:KH-11 Kennen 2041: 2024:KH-10 Dorian 2019:KH-9 Hexagon 2004:KH-6 Lanyard 1994:KH-4B Corona 1989:KH-4A Corona 1966:Photographic 1781:Magnum/Orion 1658: 1496: 1491: 1466:. Retrieved 1459:the original 1446: 1429: 1428:Wade, Mark, 1378:. Retrieved 1371:the original 1358: 1344: 1335: 1321: 1307: 1293: 1283:November 12, 1281:. Retrieved 1269: 1255: 1246: 1235:. Retrieved 1228:the original 1215: 1204:. Retrieved 1197:the original 1184: 1173:. Retrieved 1162: 1151:. Retrieved 1144:the original 1130: 1118: 1081: 1074: 1059: 1046: 1041: 1037: 1027: 948:Focal Length 922: 909: 905: 893: 889: 885: 881: 877: 872: 820: 789: 758: 727: 696: 665: 634: 603: 572: 541: 510: 478: 441:Launch date 408: 399: 395: 391: 380: 379: 354: 344: 343: 327: 323: 319: 309: 307: 290: 286: 282: 278: 272: 270: 249: 245: 239: 238: 217: 195: 194: 167:Greek island 164: 138: 123: 106: 91: 71: 67: 65: 36: 32: 28: 26: 2126:White Cloud 2009:KH-7 Gambit 1984:KH-3 Corona 1979:KH-2 Corona 1974:KH-1 Corona 1400:Zianet.com 542:SAMOS  511:SAMOS  479:SAMOS  463:Inclination 386:Arabian Sea 204:Bell XLR-81 154:Gary Powers 141:missile gap 130:Atlas-Agena 72:Program 201 68:Program 101 49:KH-7 GAMBIT 5287:Categories 2324:USA number 1999:KH-5 Argon 1870:Technology 1511:References 1503:), 02/1980 1468:2016-12-05 1380:2017-02-23 1237:2011-07-13 1206:2011-07-22 1175:2007-06-09 1153:2011-10-08 951:Resolution 221:Atlas ICBM 176:Discoverer 172:Eisenhower 134:Thor-Agena 83:Background 3186:A/B/E/F/N 898:mapmaking 861:Equipment 847:parachute 823:satellite 811:1962-064A 792: 11 780:1962-035A 761: 10 749:1962-030A 718:1962-023A 714:-------- 711:-------- 708:-------- 687:1962-016A 656:1962-007A 625:1961-035A 590:-------- 587:-------- 584:-------- 559:-------- 556:-------- 553:-------- 532:1961-001A 496:-------- 493:-------- 490:-------- 473:Comments 427:program. 350:Indonesia 2149:Jumpseat 2080:Lacrosse 1804:Jumpseat 1612:Gambit 3 1607:Gambit 1 1501:abstract 1477:cite web 1436:Archived 1405:Archived 1098:See also 730: 9 699: 8 668: 7 637: 6 606: 5 575: 4 51:system. 43:for the 5260:957–967 5230:900–951 5223:900–999 5214:847–899 5204:835–845 5184:824–831 5144:808–816 5087:800–899 5078:755–799 5068:746–753 5013:700–735 5006:700–799 4390:A/B (I) 4245:600–699 4236:593–599 4216:581–589 4196:571–579 4186:561–569 4166:551–559 4146:543–549 4136:531–541 4126:521–529 4116:501–519 4104:500–599 3227:400–499 3198:381–397 3178:338–379 2928:300–399 2914:280–298 2904:240–278 2894:227–238 2727:200–299 2686:143–197 2385:100–199 2331:USA-193 2317:Unknown 2290:R&D 2187:Mercury 2154:Trumpet 2131:Samos-F 1887:USA-193 1882:GeoLITE 1827:Samos-F 1809:Trumpet 1728:Mercury 1617:Hexagon 1602:Lanyard 1585:Keyhole 1578:Optical 1571:Imaging 1092:Soviets 1087:memoirs 979:readout 962:readout 827:cameras 594:NNN6101 451:Perigee 401:1970s. 381:SAMOS 6 368:SAMOS 6 345:SAMOS 5 332:SAMOS 5 310:SAMOS 4 296:SAMOS 4 273:SAMOS 3 259:SAMOS 3 240:SAMOS 2 227:SAMOS 2 196:SAMOS 1 183:SAMOS 1 102:SAMOS-F 78:History 37:SAMOS-E 5112:L (II) 4975:S (II) 4705:A (II) 4640:A (II) 4395:B (II) 4018:L (II) 3802:L (II) 3540:G (II) 3398:M (II) 2216:MASINT 2197:Vortex 2177:Magnum 2172:Canyon 2099:SIGINT 1892:Colony 1861:SLDCOM 1786:Mentor 1718:Canyon 1703:SIGINT 1592:Corona 1030:Ferret 954:Swath 807:96,0Β° 798:1,860 776:96.3Β° 767:1,860 745:96.1Β° 736:1,860 705:1,860 683:92.0Β° 674:1,588 652:90.9Β° 643:1,860 621:89.2Β° 612:1,860 581:1,860 563:SAMOS3 550:1,890 528:97.4Β° 519:1,860 500:SAMOS1 487:1,845 457:Apogee 425:CORONA 212:Hawaii 210:, and 126:CORONA 35:) or 5107:L (I) 4970:S (I) 4700:A (I) 4635:A (I) 4038:L (I) 4013:L (I) 3797:L (I) 3535:G (I) 3393:M (I) 3239:B/C/N 2304:MiTEx 2272:SBIRS 2262:MIDAS 2231:FORTE 2202:GSSAP 2121:Poppy 2075:Quill 2052:Misty 2042:Samos 1957:IMINT 1832:Poppy 1759:ELINT 1744:Poppy 1689:FIA-R 1679:Quill 1672:Radar 1659:Samos 1652:Other 1638:Misty 1631:Misty 1597:Argon 1462:(PDF) 1455:(PDF) 1433:Samos 1374:(PDF) 1367:(PDF) 1278:(PDF) 1231:(PDF) 1224:(PDF) 1200:(PDF) 1193:(PDF) 1147:(PDF) 1140:(PDF) 1110:Notes 1077:Wade 1056:Orbit 925:Kodak 912:were 892:. An 851:KH-11 839:Earth 835:radio 790:SAMOS 759:SAMOS 728:SAMOS 697:SAMOS 666:SAMOS 635:SAMOS 604:SAMOS 573:SAMOS 468:NSSDC 459:(km) 453:(km) 447:(kg) 438:Name 314:X-ray 29:SAMOS 5103:802 4926:695 4891:691 4861:687 4826:683 4806:681 4751:672 4711:666 4696:665 4631:655 4561:649 4541:648 4461:634 4386:621 4286:603 4271:602 4256:601 4200:580 4170:560 4150:550 4079:499 4049:498 4029:497 4009:495 3974:490 3939:485 3919:484 3855:478 3818:474 3793:471 3676:451 3636:445 3601:441 3561:435 3531:431 3506:428 3491:427 3476:426 3419:418 3384:416 3364:414 3280:405 3207:399 3182:380 3019:315 2964:306 2858:222 2738:201 2620:132 2508:118 2493:117 2433:107 2277:STSS 2246:Vela 2241:DMSP 2116:GRAB 1877:STEX 1749:NOSS 1483:link 1285:2022 1050:mass 1040:and 1013:film 996:film 945:Type 942:Name 918:KH-6 908:and 902:KH-5 880:and 876:The 804:206 801:206 773:205 770:205 742:236 739:184 680:204 677:203 649:676 646:251 618:702 615:244 525:557 522:474 445:Mass 358:B-52 113:US$ 98:ARPA 70:and 27:The 5265:968 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3092:325 3085:M/N 3075:324 3070:323 3065:322 3060:321 3055:320 3050:319 3045:318 3040:317 3035:316 3028:A-2 3023:A-1 3015:314 3010:313 3005:312 3000:311 2995:310 2990:309 2985:308 2980:307 2968:A/L 2960:305 2955:304 2950:303 2945:302 2940:301 2935:300 2919:299 2909:279 2899:239 2889:226 2884:225 2879:224 2874:223 2854:221 2849:220 2844:219 2839:218 2834:217 2829:216 2824:215 2819:214 2814:213 2809:212 2804:211 2799:210 2794:209 2789:208 2784:207 2779:206 2774:205 2769:204 2764:203 2759:202 2747:B/W 2742:A/L 2734:200 2696:199 2691:198 2681:142 2676:141 2671:140 2666:139 2661:138 2656:137 2651:136 2646:135 2641:134 2636:133 2616:131 2611:130 2606:129 2601:128 2596:127 2591:126 2586:125 2581:124 2576:123 2571:122 2566:121 2561:120 2534:C/F 2529:119 2489:116 2484:115 2479:114 2474:113 2469:112 2464:111 2459:110 2454:109 2449:108 2442:A-2 2437:A-1 2429:106 2424:105 2419:104 2414:103 2409:102 2397:101 2392:100 2267:DSP 2236:GPS 2085:FIA 1897:RPP 1856:SDS 1819:LEO 1796:HEO 1768:GEO 1643:EIS 1042:F-2 1038:F-1 1010:E-6 993:E-5 976:E-2 959:E-1 910:E-6 906:E-5 894:E-4 890:E-6 886:E-3 882:E-2 878:E-1 470:ID 422:CIA 362:U-2 150:U-2 107:In 5289:: 1479:}} 1475:{{ 1415:^ 1389:^ 1064:. 1044:. 931:. 544:3 513:2 481:1 255:. 109:FY 74:. 63:. 4965:R 4960:Q 4955:P 4950:N 4945:L 4940:C 4935:B 4930:A 4905:Z 4900:X 4895:C 4870:P 4865:J 4840:V 4835:J 4830:A 4815:E 4810:D 4755:A 4715:A 4645:P 4600:P 4595:L 4590:F 4585:E 4580:D 4575:C 4570:B 4565:A 4555:P 4550:D 4545:A 4470:B 4465:A 4295:L 4290:A 4280:L 4275:A 4265:L 4260:A 4209:E 4204:A 4179:F 4174:A 4159:E 4154:A 4093:D 4088:C 4083:A 4073:L 4068:E 4063:D 4058:C 4053:A 4043:L 4033:A 3983:M 3978:L 3948:Z 3943:L 3933:N 3928:M 3923:L 3903:L 3898:E 3886:L 3864:T 3859:A 3844:E 3827:N 3822:L 3737:L 3685:L 3680:D 3645:M 3640:L 3615:L 3610:D 3605:A 3570:L 3565:A 3515:L 3510:A 3500:M 3495:L 3485:M 3480:L 3428:M 3423:L 3408:Q 3403:P 3388:L 3373:M 3368:L 3348:L 3343:E 3331:L 3326:E 3296:D 3291:C 3284:B 3254:M 3244:E 3216:B 3211:A 3191:P 3131:F 3119:E 3107:E 3080:L 2973:B 2867:G 2862:A 2752:E 2716:Y 2711:D 2706:C 2701:B 2629:B 2624:A 2554:Y 2549:T 2544:L 2539:E 2522:P 2517:L 2512:A 2502:M 2497:L 2402:P 2369:e 2362:t 2355:v 1931:e 1924:t 1917:v 1555:e 1548:t 1541:v 1499:( 1485:) 1471:. 1383:. 1352:. 1329:. 1315:. 1301:. 1287:. 1263:. 1240:. 1209:. 1178:. 1156:. 31:(

Index


reconnaissance satellites
United States
KH-7 GAMBIT
Reconnaissance
low Earth orbits
Vandenberg Air Force Base
United States Air Force
ARPA
SAMOS-F
FY
US$
CORONA
Atlas-Agena
Thor-Agena
missile gap
Jupiter IRBMs
U-2
Gary Powers
Greek island
Eisenhower
Discoverer

Vandenberg Air Force Base
Bell XLR-81
Kodiak Island
Hawaii
Atlas ICBM

Project Mercury

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