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United States Army Security Agency

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235: 196: 133: 178: 409:, and their allies and client states around the world. The agency was established after World War II, when the Soviet Union and the US had been allies. In the postwar years, after the Soviet Union and communist governments gained power in eastern Europe and China, they became enemies in the Cold War between Communist states and allies, and the US and western nations. The ASA was directly subordinate to the 285: 27: 416:
All gathered information had time-sensitive value, depending on its importance and classification. Information was passed through intelligence channels within hours of intercept for the lowest-priority items, but in as little as 10 minutes for the most highly critical information.
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The first ASA soldier to be killed on the battlefield in Vietnam was Specialist 4 James T. Davis (from Livingston, Tennessee). He was killed on 22 December 1961, on a road near the old French garrison of Cau Xang. He had been assigned to the 3rd Radio Research Unit at
467:. In 1962, they developed the precursor to the 6th USASA Field Station (Seminole Station). U.S. overflights photographed and discovered offensive nuclear weapons placed in Cuba by Soviet allies. Cuba became a live mission before, during and after the 645:
Bird, Kenneth L. (February 1997). "Menwith Hill Station: A Case Study in Signal Intelligence Gathering During the Cold War" (PDF). Monitoring Times. pp. 16–19. Archived from the original (PDF) on 14 July 2019. Retrieved 30 April 2009.
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was the 403rd Radio Research Group, Special Operations Detachment (SOD). SOD forces were deployed to Operational Detachment base camps throughout South Vietnam. Other teams, such as the 313th Radio Research Battalion at
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ASA personnel of the 3rd Radio Research Unit were covertly designated as Radio Research and were among the earliest U.S. military personnel in Vietnam. The 3rd later expanded to become the 509th Radio Research Group.
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Most ASA personnel processed "in country" through Davis Station. Others attached to larger command structures prior to transport to Vietnam processed in with those units. ASA personnel were attached to Army
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ASA personnel were stationed at locations around the globe, wherever the United States had a military presence. They were sometimes publicly acknowledged. In some cases, such as in Asmara,
517:, were independent of other army units. ASA personnel were kept in Vietnam after the 1973 pullout of US Army combat forces; they were finally withdrawn with other US personnel at the 342:(electronic counter-countermeasures) such as tactical jammers, direction finders, electronic signal decoys, and captured/repurposed Warsaw Pact radio and communications equipment. 666: 378: 44: 671: 381:(INSCOM). The last ASA field unit was the 407th ASA Company attached to the 3rd Armored Cavalry Regiment inactivated 15 NOV 1982 at Fort Bliss, Texas. 358: 444:, in what is now North Yorkshire, was a primary listening post that the US turned over to the British in the postwar years. They adapted it as a 91: 63: 70: 339: 334:
era, some ASA units also were staffed with ELINT (electronic intelligence) specialists and warrant officers, which incorporated field
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and has been the site of peace protests. There was also a listening post set up at Schneeberg Mountain, Germany.
369:, Virginia. Besides intelligence gathering, it had responsibility for the security of Army communications and for 37: 600: 456: 335: 278: 132: 84: 633: 460: 410: 238: 138: 223: 390: 374: 316: 485: 468: 398: 362: 304: 219: 215: 211: 354: 441: 401:, California, the ASA was tasked with monitoring and interpreting military communications of the 301: 201: 492:, along with 92 other members of his unit. Davis Station, at Tan Son Nhut, was named after him. 437: 425: 449: 312: 626:"THEY SERVED IN SILENCE – The Story of a Cryptologic Hero: Specialist Four James T. Davis" 501: 445: 284: 518: 505: 433: 366: 248: 649:
Former Country singer Don Williams was part of the United States Army security agency.
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They Never Said It: A Book of Fake Quotes, Misquotes, & Misleading Attributions
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During the height of the Cold War, personnel from the 326 ASA Company stationed at
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The Agency existed between 1945 and 1977 and was the successor to the Army
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branch from 1945 to 1976. The Latin motto of the Army Security Agency was
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units. Assigned to the 5th Special Forces Group (Airborne) based out of
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units throughout the Vietnam War. Some teams were also attached to
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Composed of soldiers trained in radio communication, cryptography,
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Signals intelligence branch of the United States Army (1945-1976)
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operations. In 1977, the ASA was merged with the US Army's
326:(signals intelligence) most if not all ASA units contained 459:, relocated classified mobile communications equipment to 471:. The US forced the Soviet Union to remove the weapons. 379:
United States Army Intelligence and Security Command
277: 272: 258: 244: 229: 207: 189: 171: 153: 145: 125: 51:. Unsourced material may be challenged and removed. 662:Military units and formations established in 1945 8: 667:Defunct United States intelligence agencies 262: 317:The price of liberty is eternal vigilance. 672:Signals intelligence units and formations 538: 536: 534: 111:Learn how and when to remove this message 359:Director of the National Security Agency 530: 338:(electronic counter-measures and field 586:Paul F. Boller, Jr., and John George, 122: 601:"407th Military Intelligence Company" 544:"History of the Army Security Agency" 322:Although most ASA units focused upon 7: 60:"United States Army Security Agency" 49:adding citations to reliable sources 298:United States Army Security Agency 14: 566:"pre-Field-Station ASA in Berlin" 440:. A former field station outside 546:. armysecurityagencyveterans.net 283: 233: 194: 176: 131: 25: 36:needs additional citations for 1: 448:(RAF) station. It is called 393:and linguists trained at the 347:Signals Intelligence Service 349:, operations that dated to 212:Communications Intelligence 690: 465:Miami–Dade County, Florida 407:People's Republic of China 395:Defense Language Institute 371:electronic countermeasures 457:Ft. Bragg, North Carolina 279:Distinctive unit insignia 130: 634:National Security Agency 461:Homestead Air Force Base 411:National Security Agency 377:component to create the 239:National Security Agency 159: (48 years ago) 139:Shoulder Sleeve Insignia 224:Communications Security 216:Electronic Intelligence 367:Arlington Hall Station 263: 249:Arlington Hall Station 568:. Voices Under Berlin 391:military intelligence 375:Military Intelligence 361:(DIRNSA), located at 137:Army Security Agency 605:www.history.army.mil 486:Tan Son Nhut Airport 469:Cuban Missile Crisis 436:, Ethiopia, and the 399:Presidio of Monterey 353:. ASA was under the 305:signals intelligence 302:United States Army's 220:Signals Intelligence 126:Army Security Agency 45:improve this article 355:operational control 442:Harrogate, England 202:United States Army 438:Panama Canal Zone 291: 290: 121: 120: 113: 95: 679: 639: 638: 630: 622: 616: 615: 613: 611: 597: 591: 584: 578: 577: 575: 573: 562: 556: 555: 553: 551: 540: 450:RAF Menwith Hill 313:Thomas Jefferson 287: 266: 237: 200: 198: 197: 182: 180: 179: 167: 165: 160: 135: 123: 116: 109: 105: 102: 96: 94: 53: 29: 21: 689: 688: 682: 681: 680: 678: 677: 676: 652: 651: 643: 642: 628: 624: 623: 619: 609: 607: 599: 598: 594: 585: 581: 571: 569: 564: 563: 559: 549: 547: 542: 541: 532: 527: 521:in April 1975. 502:armored cavalry 477: 446:Royal Air Force 397:located at the 387: 294: 268:Vigilant Always 267: 222: 218: 214: 195: 193: 177: 175: 163: 161: 158: 141: 117: 106: 100: 97: 54: 52: 42: 30: 17: 12: 11: 5: 687: 686: 683: 675: 674: 669: 664: 654: 653: 641: 640: 617: 592: 579: 557: 529: 528: 526: 523: 519:Fall of Saigon 506:Special Forces 476: 473: 434:Kagnew Station 386: 383: 309:Semper Vigilis 300:(ASA) was the 292: 289: 288: 281: 275: 274: 270: 269: 264:Semper Vigiles 260: 256: 255: 246: 242: 241: 231: 227: 226: 209: 205: 204: 191: 187: 186: 173: 169: 168: 155: 151: 150: 147: 143: 142: 136: 128: 127: 119: 118: 33: 31: 24: 15: 13: 10: 9: 6: 4: 3: 2: 685: 684: 673: 670: 668: 665: 663: 660: 659: 657: 650: 647: 636: 635: 627: 621: 618: 606: 602: 596: 593: 590:(1989), p. 56 589: 583: 580: 567: 561: 558: 545: 539: 537: 535: 531: 524: 522: 520: 516: 511: 507: 503: 499: 493: 491: 487: 481: 474: 472: 470: 466: 462: 458: 453: 451: 447: 443: 439: 435: 431: 427: 423: 418: 414: 412: 408: 404: 400: 396: 392: 384: 382: 380: 376: 372: 368: 364: 360: 356: 352: 348: 343: 341: 337: 333: 329: 325: 320: 318: 314: 310: 306: 303: 299: 293:Military unit 286: 282: 280: 276: 271: 265: 261: 257: 254: 250: 247: 243: 240: 236: 232: 228: 225: 221: 217: 213: 210: 206: 203: 192: 188: 185: 184:United States 174: 170: 156: 152: 148: 144: 140: 134: 129: 124: 115: 112: 104: 101:December 2013 93: 90: 86: 83: 79: 76: 72: 69: 65: 62: –  61: 57: 56:Find sources: 50: 46: 40: 39: 34:This article 32: 28: 23: 22: 19: 648: 644: 632: 620: 610:11 September 608:. Retrieved 604: 595: 587: 582: 570:. Retrieved 560: 548:. Retrieved 494: 482: 478: 454: 419: 415: 403:Soviet Union 388: 344: 321: 308: 297: 295: 230:Part of 107: 98: 88: 81: 74: 67: 55: 43:Please help 38:verification 35: 18: 475:Vietnam War 351:World War I 245:Garrison/HQ 149:1945 – 1977 656:Categories 525:References 432:, Turkey; 363:Fort Meade 71:newspapers 515:Nha Trang 510:Nha Trang 428:, Japan; 154:Disbanded 498:infantry 332:Cold War 315:, that " 273:Insignia 259:Motto(s) 253:Virginia 550:17 July 426:Chitose 422:Eritrea 385:History 357:of the 172:Country 162: ( 85:scholar 572:27 May 490:Saigon 405:, the 328:HUMINT 324:SIGINT 199:  190:Branch 181:  146:Active 87:  80:  73:  66:  58:  629:(PDF) 488:near 430:Sinop 92:JSTOR 78:books 612:2024 574:2014 552:2021 500:and 340:ECCM 296:The 208:Role 164:1976 157:1976 64:news 463:in 336:ECM 47:by 658:: 631:. 603:. 533:^ 319:" 251:, 637:. 614:. 576:. 554:. 166:) 114:) 108:( 103:) 99:( 89:· 82:· 75:· 68:· 41:.

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ASA Unit Patch
Shoulder Sleeve Insignia
United States
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Communications Intelligence
Electronic Intelligence
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Communications Security
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National Security Agency
Arlington Hall Station
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Distinctive unit insignia

United States Army's
signals intelligence
Thomas Jefferson
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SIGINT

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