Knowledge (XXG)

Penetration aid

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124:(instead of symmetrically shaped warheads) induce lateral drag during reentry and hence strongly bend the trajectory, thus deceiving lower altitude interceptor systems that generally assume a straight decelerating trajectory and which have a limited terminal guidance maneuverability and course correction capability (especially hit-to-kill or conventional warhead interceptors). This has some penalty in terms of decreased attacking warhead accuracy on the target (unless the reentry vehicle has an active guidance and control system on board, which is quite complex to master). 69:
miniaturize both the physics package inside, such as the Teller–Ulam design used in most US and NATO "staged" fission–fusion (thermonuclear) weapons, as well as including the warheads themselves and, for MIRVed warheads, to master the art of accurately dispensing each warhead and possibly other payload elements (penaids, etc.) in what is often designated as the post-boost phase or payload deployment phase.
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balloons that can be inflated in space and are designed to have the same radar characteristics as the warhead. As the warhead and the decoy balloons may be at different temperatures, the warhead and the balloons may both be surrounded by heated shrouds that put them all at the same temperature. This
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MIRV and MRV (instead of single warhead missiles) themselves largely improve penetration since there are many more warheads to destroy than missiles, which may saturate the defensive system's stock of weapons. However, these technologies are very demanding since they require the ability to highly
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by the attacker, in order to provide a total radar (and partial or total communications) blackout lasting several minutes per detonation (length of time varies by weapon yield) that will allow subsequent warheads and delivery vehicles to pass through the enemy's defenses
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Richter, B. (1969). "ABM. An Evaluation of the Decision to Deploy an Antiballistic Missile System. Abram Chayes and Jerome B. Wiesner, Eds. Xxii + 282 pp., illus. Harper and Row, New York, 1969; cloth, $ 5.95. Signet (New American Library), New York, 1969; paper, 95".
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Reentry decoys, consisting of very small reentry bodies that mimic the decelerating trajectory and radar signature of a warhead during atmospheric reentry, force the defense system to spend many interceptor weapons on fake targets instead of
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are active radio transmitters that can be deployed on the decoys and the warhead to jam the frequencies used by defensive radars or literally blind them from seeing any warheads around.
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Carrying such devices has a price in terms of payload weight and volume, which requires a compromise versus warhead size and numbers on board, as well as missile range.
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defeats attempts to discriminate between decoys and warheads on the basis of temperature, which can confuse an enemy's missile defense systems.
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may be deployed over a large area of space, creating a large, radar-reflecting object that will obscure incoming warheads from defensive radar.
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that accompany its launch or flight path, operate as either passive or active counters, and may include one or more of the following concepts:
34:(or "penaid") is a device or tactic used to increase an aircraft's capability of reaching its target without detection, and in particular 35: 171: 113: 121: 79: 237: 112:
over the target area can be created: in a first-use decapitation strike, one thermonuclear device may be deliberately
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Incidental or deliberate fragmentation of the final-stage rocket booster can cloud the enemy's radar by projecting a
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Bethe, H. (1969). "Countermeasures to ABM systems". In Abram Chayes and Jerome Weisner (ed.).
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much larger than the actual missile and/or creating a large number of false tracks.
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ABM: An Evaluation of the Decision to Deploy an Anti-Ballistic Missile System
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The missile booster can have a short burn time, and/or (if existing) the
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carried within the ICBM (as part of its payload), as well as
38:(ICBM) warhead's chances of penetrating a target's defenses. 57:
bus carrying the nuclear warheads can have some form of
61:, thereby hindering detection before the warhead 8: 27:Intercontinental ballistic missile device 166:(first ed.). Osprey. p. 211. 154: 7: 243:Intercontinental ballistic missiles 36:intercontinental ballistic missile 25: 1: 120:Maneuvering reentry vehicles 218:10.1126/science.165.3893.576 264: 41:These can consist of both 164:A Dictionary of Aviation 162:Wragg, David W. (1973). 110:Nuclear radar blackout 191:. London: Macdonald. 74:radar cross-section 238:Ballistic missiles 59:stealth technology 114:exploded in space 16:(Redirected from 255: 248:Penetration aids 222: 221: 200: 184: 178: 177: 159: 143:Stealth aircraft 63:reentry vehicles 43:physical devices 21: 18:Penetration aids 263: 262: 258: 257: 256: 254: 253: 252: 228: 227: 226: 225: 202: 186: 185: 181: 174: 161: 160: 156: 151: 134: 32:penetration aid 28: 23: 22: 15: 12: 11: 5: 261: 259: 251: 250: 245: 240: 230: 229: 224: 223: 179: 172: 153: 152: 150: 147: 146: 145: 140: 133: 130: 126: 125: 118: 107: 103: 92: 83: 77: 70: 66: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 260: 249: 246: 244: 241: 239: 236: 235: 233: 219: 215: 212:(3893): 576. 211: 207: 198: 194: 190: 183: 180: 175: 173:9780850451634 169: 165: 158: 155: 148: 144: 141: 139: 136: 135: 131: 129: 123: 119: 115: 111: 108: 104: 100: 96: 93: 90: 87: 84: 81: 78: 75: 71: 67: 65:are released. 64: 60: 56: 52: 51: 50: 48: 44: 39: 37: 33: 19: 209: 205: 201:Reviewed in 188: 182: 163: 157: 127: 46: 42: 40: 31: 29: 117:undetected. 232:Categories 197:B0006BZHS8 149:References 138:Chevaline 106:warheads. 132:See also 97:such as 206:Science 89:jammers 47:tactics 195:  170:  95:Decoys 99:mylar 86:Radar 80:Chaff 193:ASIN 168:ISBN 122:MARV 55:MIRV 214:doi 210:165 234:: 208:. 30:A 220:. 216:: 199:. 176:. 20:)

Index

Penetration aids
intercontinental ballistic missile
MIRV
stealth technology
reentry vehicles
radar cross-section
Chaff
Radar
jammers
Decoys
mylar
Nuclear radar blackout
exploded in space
MARV
Chevaline
Stealth aircraft
ISBN
9780850451634
ASIN
B0006BZHS8
doi
10.1126/science.165.3893.576
Categories
Ballistic missiles
Intercontinental ballistic missiles
Penetration aids

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