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W80 (nuclear warhead)

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33: 168: 410:, Louisiana, on a mission to transport cruise missiles for decommissioning. It was not discovered that the six missiles had nuclear warheads until the plane landed at Barksdale, leaving the warheads unaccounted for, for over 36 hours. 5th Bomb Wing failed its nuclear surety inspection in late May 2008. 2nd Bomb Wing from Barksdale Air Force Base took over the role until the wing was recertified on 15 August 2008. 286:. The main design differences are presumably a smaller secondary producing only 150 kilotonnes of TNT (630 TJ) yield (the B61 producing a maximum of 170 kilotonnes of TNT (710 TJ) in the tactical variants and 340 kilotonnes of TNT (1,400 TJ) in the strategic variants) and simplification of the design giving the weapon only two yield settings; 5 and 150 kilotonnes of TNT (21 and 628 TJ). 160: 631:
The W80 Life Extension Program to refurbish these warheads is now assigned to Livermore and Sandia laboratories, which will be responsible for the modified design. These laboratories will be responsible for assuring the safety, reliability and performance of the refurbished W80 warheads, Mods 2 and
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Production of the W80 was completed by September 1990, although the exact date at which the respective Mod 0 and Mod 1 runs ended is not clear. A total of 1750 Mod 1 and 367 Mod 0 devices were delivered; 1,000 Mod 1 devices were deployed on the original ALCM, another 400 on the later
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cruise missile. The first production unit is expected to be completed in 2027. According to public descriptions of the program, the warhead will offer no increased military capability, only refurbishing and updating components, and increasing weapon safety and reliability.
297:) to arm the ALCM started in January 1979, and a number of warheads had been completed by January 1981 when the first low-temperature test was carried out. To everyone's surprise the test delivered a much lower yield than was expected, apparently due to problems in the 368:
crew members routinely operate in proximity to stored weapons in torpedo rooms, in contrast to the air force where exposure to warheads is relatively brief. The first models were delivered in December 1983 and the Mod 0 went into full production in March 1984.
849:"Statement of Ms. Madelyn Creedon Principal Deputy Administrator National Nuclear Security Administration U.S. Department of Energy on the Long Range Stand-Off Program Subcommittee on Energy and Water Development Senate Committee on Appropriations" 363:
and therefore buildup of alternate isotope products such as Pu-240 in the rod, and also by consequence is considerably more expensive to produce, needing far more rods irradiated and processed for a given amount of plutonium.
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The FY2022 budget also includes funding for another alteration to the W80-4 warhead, known as theW80-4 ALT-SLCM. The Navy would deploy this warhead on a new sea-launched cruise missile (SLCM) later in the
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250-pound (110 kg) bomb, 11.8 inches (30 cm) in diameter and 31.4 inches (80 cm) long, and only slightly heavier at about 290 pounds (130 kg).
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only 400 ACMs would have retained their nuclear warheads, and the rest would have been converted to CALCMs and their warheads removed to the inactive stockpile.
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In 2014, a life extension program (LEP) for the W80-1 was started and the LEP warhead was given the W80-4 designation. The warhead will be used on the new
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Some of the original ALCMs would later have their mod 1 warheads removed and instead be fitted with conventional warheads producing the
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3, as well as any potential future mods — Mod 2 will be the refurbished Navy warhead and Mod 3 the Air Force version.
309:, and production of all weapons was suspended while a solution was worked on. Production restarted in February 1982. 402:
On August 30, 2007, six cruise missiles armed with W80-1 warheads were mistakenly loaded onto a B-52 and flown from
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variant of the warhead, for use on a new US Navy sea-launched cruise missile to be deployed in the late 2020s.
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began development on the W80 in June 1976, with the brief of producing a custom weapon for the
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In FY2022, the National Nuclear Security Administration requested funding for the
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used to fire the primary. This problem turned out to affect several models of the
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In March 1982, designers began working on a W80 variant intended for the Navy's
1035: 794: 761: 279: 195: 188: 46: 1905: 1048: 904:"US Navy Instruction Confirms Retirement of Nuclear Tomahawk Cruise Missile" 883:(Report). Congressional Research Service. 14 March 2022. p. 8. R44442. 1758: 583: 419: 258: 207: 1266: 822:"W80-4: Sandia California works on nuclear weapon Life Extension Program" 514: 510: 203: 282:
then under construction. With "the basic design" being derived from the
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Energy and Water Development Appropriations: Nuclear Weapons Activities
486:. Warhead used supergrade plutonium due to weapon's proximity to crew. 306: 355:
that have been irradiated a very short time as measured in MW-Day/Ton
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Life extension program for W80-1. Warhead will be used on new
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for plutonium alloy bearing an exceptionally high fraction of
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W80 information from Cary Sublette's NuclearWeaponArchive.org
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Nuclear Weapons of the United States: An Illustrated History
359:. Such low irradiation times limit the amount of additional 159: 298: 218:. It is essentially a modification of the widely deployed 328:
used in the Air Force's version. "Supergrade" is industry
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AGM-181 Long Range Stand Off Weapon (LRSO) cruise missile
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weapon, which forms the basis of most of the current US
937:"W80-1 Warhead Selected For New Nuclear Cruise Missile" 398:
2007 United States Air Force nuclear weapons incident
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Life extension program for W80-1, cancelled in 2006
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Life extension program for W80-0, cancelled in 2006
1026: 757:"Minot's 5th Bomb Wing flunks nuclear inspection" 1903: 689:Norris, Robert; Arkin, William (November 1990). 391: 503:5 or 150 kilotonnes of TNT (21 or 628 TJ) 476:5 or 150 kilotonnes of TNT (21 or 628 TJ) 413: 153:5 or 150 kilotonnes of TNT (21 or 628 TJ) 1012: 198:and is the warhead used in all nuclear-armed 226:of nuclear gravity bombs. The very similar 688: 257:itself is about the size of a conventional 1917:Military equipment introduced in the 1970s 1019: 1005: 901: 646: 644: 642: 640: 179:is a low to intermediate yield two-stage 790:"Minot nuke handlers pass re-inspection" 336:(>95%), leaving a very low amount of 166: 158: 992:W80 information from globalsecurity.org 846: 787: 754: 253:The W80 is physically quite small: the 232:BGM-109G Ground Launched Cruise Missile 171:W80 Mod 4 warhead for the LRSO program. 1904: 965: 931: 929: 637: 629:from the original on 5 February 2022. 623:Lawrence Livermore National Laboratory 74:Lawrence Livermore National Laboratory 1912:Nuclear warheads of the United States 1000: 902:Kristensen, Hans M. (18 March 2013). 861:from the original on 29 December 2016 828:from the original on 28 December 2016 719: 701:from the original on 1 September 2021 713: 670:from the original on 2 December 2023 509:First production units. Warhead for 344:emitter in addition to being a high 269: 230:warhead was deployed on the retired 1387:Tactical Atomic Demolition Munition 926: 887:from the original on 10 June 2021. 802:from the original on 2 January 2013 788:Hoffman, Michael (16 August 2008). 619:"Fusion of lab efforts on W80 work" 13: 1381:Special Atomic Demolition Munition 736:from the original on 24 March 2019 660:United States Department of Energy 377:, and 350 Mod 0s on the Tomahawk. 351:. Such plutonium is produced from 194:It was designed for deployment on 14: 1928: 1375:Medium Atomic Demolition Munition 985: 908:Federation of American Scientists 847:Creedon, Madelyn (13 July 2016). 695:Bulletin of the Atomic Scientists 943:from the original on 5 June 2020 755:Hoffman, Michael (30 May 2008). 484:BGM-109A Tomahawk TLAM-N missile 31: 895: 873: 840: 814: 781: 748: 682: 652:"W80-4 Life Extension Program" 611: 276:Los Alamos National Laboratory 239:Los Alamos National Laboratory 97: 70:Los Alamos National Laboratory 1: 1028:United States nuclear devices 604: 586:currently under development. 392:2007 nuclear weapons incident 248: 1739:Reliable Replacement Warhead 414:W80-4 Refurbishment and LRSO 7: 592: 303:insensitive high explosives 10: 1933: 497:September 1981 to present 395: 264: 1873: 1832: 1805: 1768: 1757: 1536: 1520: 1409: 1400: 1348: 1285: 1254: 1143: 1047: 1034: 966:Gibson, James N. (2000). 720:Gross, Daniel A. (2016). 546:Never entered production 525:Never entered production 206:missiles deployed by the 149: 144: 140:11.8 in (30 cm) 136: 128: 124:290 lb (130 kg) 120: 115: 107: 96: 88: 80: 65: 60: 53:Place of origin 52: 42: 30: 23: 408:Barksdale Air Force Base 132:31.4 inches (80 cm) 970:. Schiffer Publishing. 599:List of nuclear weapons 433: 573:More than 500 planned 243:Los Alamos, New Mexico 172: 164: 470:1984 to approx. 2011 183:deployed by the U.S. 181:thermonuclear warhead 170: 162: 37:A W80 nuclear warhead 691:"Swords into Swords" 404:Minot Air Force Base 25:W80 nuclear warhead 939:. 10 October 2014. 824:. 14 October 2015. 406:, North Dakota, to 346:spontaneous fission 237:It was designed at 384:conversion. Under 289:Production of the 185:enduring stockpile 173: 165: 61:Production history 1899: 1898: 1828: 1827: 1753: 1752: 1396: 1395: 1350:Atomic demolition 663:. November 2023. 625:. 20 April 2001. 590: 589: 517:cruise missiles. 270:Early development 163:W80 Mod 1 warhead 157: 156: 1924: 1766: 1765: 1407: 1406: 1045: 1044: 1021: 1014: 1007: 998: 997: 981: 953: 952: 950: 948: 933: 924: 923: 921: 919: 910:. Archived from 899: 893: 892: 877: 871: 870: 868: 866: 860: 853: 844: 838: 837: 835: 833: 818: 812: 811: 809: 807: 785: 779: 778: 776: 774: 765:. Archived from 752: 746: 745: 743: 741: 717: 711: 710: 708: 706: 686: 680: 679: 677: 675: 669: 656: 648: 635: 634: 615: 450:Number produced 438: 437: 216:BGM-109 Tomahawk 150:Blast yield 99: 35: 26: 21: 20: 1932: 1931: 1927: 1926: 1925: 1923: 1922: 1921: 1902: 1901: 1900: 1895: 1869: 1824: 1801: 1760: 1749: 1532: 1516: 1392: 1351: 1344: 1281: 1250: 1139: 1039: 1037: 1030: 1025: 988: 978: 957: 956: 946: 944: 935: 934: 927: 917: 915: 900: 896: 879: 878: 874: 864: 862: 858: 851: 845: 841: 831: 829: 820: 819: 815: 805: 803: 786: 782: 772: 770: 753: 749: 739: 737: 722:"An Aging Army" 718: 714: 704: 702: 687: 683: 673: 671: 667: 654: 650: 649: 638: 617: 616: 612: 607: 595: 567:In development 467:All dismantled 436: 416: 400: 394: 361:neutron capture 280:cruise missiles 272: 267: 255:physics package 251: 196:cruise missiles 145: 38: 24: 19: 12: 11: 5: 1930: 1920: 1919: 1914: 1897: 1896: 1894: 1893: 1888: 1883: 1877: 1875: 1871: 1870: 1868: 1867: 1862: 1857: 1852: 1847: 1842: 1836: 1834: 1833:Primary stages 1830: 1829: 1826: 1825: 1823: 1822: 1816: 1809: 1807: 1803: 1802: 1800: 1799: 1793: 1788: 1783: 1778: 1772: 1770: 1763: 1755: 1754: 1751: 1750: 1748: 1747: 1742: 1736: 1731: 1726: 1721: 1716: 1711: 1706: 1701: 1696: 1691: 1686: 1681: 1676: 1671: 1666: 1661: 1656: 1651: 1646: 1641: 1636: 1631: 1626: 1621: 1616: 1611: 1606: 1601: 1596: 1591: 1586: 1581: 1576: 1571: 1566: 1561: 1556: 1551: 1546: 1540: 1538: 1534: 1533: 1531: 1530: 1524: 1522: 1518: 1517: 1515: 1514: 1509: 1504: 1499: 1494: 1489: 1484: 1479: 1474: 1469: 1464: 1459: 1454: 1449: 1444: 1439: 1434: 1429: 1424: 1419: 1413: 1411: 1404: 1398: 1397: 1394: 1393: 1391: 1390: 1384: 1378: 1372: 1367: 1362: 1356: 1354: 1346: 1345: 1343: 1342: 1336: 1330: 1325: 1320: 1315: 1310: 1305: 1300: 1295: 1289: 1287: 1283: 1282: 1280: 1279: 1274: 1269: 1264: 1258: 1256: 1252: 1251: 1249: 1248: 1243: 1238: 1233: 1228: 1223: 1218: 1213: 1208: 1203: 1198: 1193: 1188: 1183: 1178: 1173: 1168: 1163: 1158: 1153: 1147: 1145: 1141: 1140: 1138: 1137: 1132: 1127: 1122: 1117: 1112: 1107: 1102: 1097: 1092: 1087: 1082: 1077: 1072: 1066: 1060: 1053: 1051: 1042: 1032: 1031: 1024: 1023: 1016: 1009: 1001: 995: 994: 987: 986:External links 984: 983: 982: 976: 963: 955: 954: 925: 914:on 9 July 2014 894: 872: 839: 813: 795:Military Times 780: 769:on 3 June 2008 762:Military Times 747: 712: 681: 636: 609: 608: 606: 603: 602: 601: 594: 591: 588: 587: 580: 577: 574: 571: 568: 565: 561: 560: 557: 554: 552: 549: 547: 544: 540: 539: 536: 533: 531: 528: 526: 523: 519: 518: 507: 504: 501: 498: 495: 492: 488: 487: 480: 477: 474: 471: 468: 465: 461: 460: 457: 454: 451: 448: 445: 442: 435: 432: 428:W80-4 ALT-SLCM 415: 412: 396:Main article: 393: 390: 307:B61-based line 271: 268: 266: 263: 250: 247: 189:variable yield 155: 154: 151: 147: 146: 142: 141: 138: 134: 133: 130: 126: 125: 122: 118: 117: 116:Specifications 113: 112: 109: 105: 104: 101: 94: 93: 90: 86: 85: 82: 78: 77: 67: 63: 62: 58: 57: 54: 50: 49: 47:Nuclear weapon 44: 40: 39: 36: 28: 27: 18:Nuclear weapon 17: 9: 6: 4: 3: 2: 1929: 1918: 1915: 1913: 1910: 1909: 1907: 1892: 1889: 1887: 1884: 1882: 1879: 1878: 1876: 1872: 1866: 1863: 1861: 1858: 1856: 1853: 1851: 1848: 1846: 1843: 1841: 1838: 1837: 1835: 1831: 1820: 1817: 1814: 1811: 1810: 1808: 1804: 1797: 1794: 1792: 1789: 1787: 1784: 1782: 1779: 1777: 1774: 1773: 1771: 1767: 1764: 1762: 1756: 1746: 1743: 1740: 1737: 1735: 1732: 1730: 1727: 1725: 1722: 1720: 1717: 1715: 1712: 1710: 1707: 1705: 1702: 1700: 1697: 1695: 1692: 1690: 1687: 1685: 1682: 1680: 1677: 1675: 1672: 1670: 1667: 1665: 1662: 1660: 1657: 1655: 1652: 1650: 1647: 1645: 1642: 1640: 1637: 1635: 1632: 1630: 1627: 1625: 1622: 1620: 1617: 1615: 1612: 1610: 1607: 1605: 1602: 1600: 1597: 1595: 1592: 1590: 1587: 1585: 1582: 1580: 1577: 1575: 1572: 1570: 1567: 1565: 1562: 1560: 1557: 1555: 1552: 1550: 1547: 1545: 1542: 1541: 1539: 1535: 1529: 1526: 1525: 1523: 1519: 1513: 1510: 1508: 1505: 1503: 1500: 1498: 1495: 1493: 1490: 1488: 1485: 1483: 1480: 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1049:Gravity bombs 1046: 1043: 1041: 1033: 1029: 1022: 1017: 1015: 1010: 1008: 1003: 1002: 999: 993: 990: 989: 979: 977:0-7643-0063-6 973: 969: 964: 962: 959: 958: 942: 938: 932: 930: 913: 909: 905: 898: 891: 886: 882: 876: 857: 850: 843: 827: 823: 817: 801: 797: 796: 791: 784: 768: 764: 763: 758: 751: 735: 731: 727: 726:Distillations 723: 716: 700: 696: 692: 685: 666: 662: 661: 653: 647: 645: 643: 641: 633: 628: 624: 620: 614: 610: 600: 597: 596: 585: 581: 578: 575: 572: 570:2027 onwards 569: 566: 563: 562: 558: 555: 553: 550: 548: 545: 542: 541: 537: 534: 532: 529: 527: 524: 521: 520: 516: 512: 508: 505: 502: 499: 496: 493: 490: 489: 485: 481: 478: 475: 472: 469: 466: 463: 462: 458: 455: 452: 449: 446: 443: 440: 439: 431: 429: 424: 421: 411: 409: 405: 399: 389: 387: 383: 378: 376: 370: 367: 362: 358: 354: 350: 347: 343: 339: 335: 331: 327: 323: 319: 316:program. The 315: 310: 308: 304: 300: 296: 292: 287: 285: 281: 277: 262: 260: 256: 246: 244: 240: 235: 233: 229: 225: 221: 217: 213: 210:, and in the 209: 205: 201: 197: 192: 190: 186: 182: 178: 169: 161: 152: 148: 143: 139: 135: 131: 127: 123: 119: 114: 110: 106: 102: 95: 91: 87: 83: 79: 75: 71: 68: 64: 59: 56:United States 55: 51: 48: 45: 41: 34: 29: 22: 16: 1874:Experimental 1698: 967: 945:. Retrieved 916:. Retrieved 912:the original 907: 897: 888: 875: 863:. Retrieved 842: 830:. Retrieved 816: 804:. Retrieved 793: 783: 771:. Retrieved 767:the original 760: 750: 738:. Retrieved 732:(1): 26–36. 729: 725: 715: 705:20 September 703:. Retrieved 694: 684: 672:. Retrieved 658: 630: 622: 613: 482:Warhead for 427: 425: 420:AGM-181 LRSO 417: 401: 381: 379: 371: 321: 317: 311: 294: 290: 288: 273: 252: 236: 208:US Air Force 193: 176: 174: 92:January 1979 15: 1521:Depth bombs 1255:Depth bombs 865:27 December 832:27 December 515:AGM-129 ACM 511:AGM-86 ALCM 494:In service 340:which is a 100: built 76:(W80-2,3,4) 72:(W80-0,1), 1906:Categories 1057:Little Boy 1038:(including 674:16 January 605:References 249:Dimensions 1806:Artillery 1761:radiation 1352:munitions 1286:Artillery 918:25 August 806:18 August 456:PAL type 366:Submarine 353:fuel rods 326:plutonium 318:W80 mod 0 291:W80 mod 1 224:stockpile 84:June 1976 1891:RACER IV 1865:Starling 1769:Warheads 1759:Enhanced 1537:Warheads 1144:Warheads 1071:(Mark 3) 1065:(Mark 2) 1063:Thin Man 1059:(Mark 1) 1040:boosted) 941:Archived 885:Archived 856:Archived 826:Archived 800:Archived 740:22 March 734:Archived 699:Archived 665:Archived 627:Archived 593:See also 579:Unknown 576:Unknown 386:START II 330:parlance 314:Tomahawk 137:Diameter 108:Variants 89:Produced 81:Designed 66:Designer 1886:Sausage 1860:Kinglet 1472:Mark 39 1467:Mark 36 1457:Mark 27 1452:Mark 26 1447:Mark 24 1437:Mark 21 1432:Mark 17 1422:Mark 15 1417:Mark 14 1360:XM1 ADM 1262:Mark 90 1125:Mark 20 1120:Mark 18 1115:Mark 13 1110:Mark 12 1105:Mark 11 1100:Mark 10 1069:Fat Man 1036:Fission 947:8 March 890:decade. 453:Yields 444:Status 349:isotope 265:History 212:US Navy 187:with a 1881:Gadget 1855:Tsetse 1850:Python 1389:(TADM) 1383:(SADM) 1377:(MADM) 1365:T2 ADM 1272:Mk 105 1267:Mk 101 1130:Mk 105 1095:Mark 8 1090:Mark 7 1085:Mark 6 1080:Mark 5 1075:Mark 4 974:  773:1 June 697:: 15. 556:Cat D 535:Cat D 506:Cat D 479:Cat D 459:Notes 357:burnup 338:Pu-240 334:Pu-239 301:based 129:Length 1840:Robin 1741:(RRW) 1584:XW-46 1564:XW-35 1241:W76-2 1226:XW-51 859:(PDF) 852:(PDF) 668:(PDF) 655:(PDF) 500:1750 447:Date 382:CALCM 342:gamma 322:W80-0 295:W80-1 259:Mk.81 1845:Swan 1559:TX29 1487:TX46 1442:TX22 1427:TX16 972:ISBN 949:2020 920:2023 867:2016 834:2016 808:2008 775:2008 742:2018 707:2020 676:2024 513:and 473:367 441:Mod 434:Mods 299:TATB 274:The 202:and 200:ALCM 175:The 121:Mass 103:2117 43:Type 1819:W82 1813:W79 1796:W70 1791:W66 1786:W65 1781:W64 1776:W63 1745:W93 1734:W91 1729:W89 1724:W88 1719:W87 1714:W86 1709:W85 1704:W84 1699:W80 1694:W78 1689:W76 1684:W73 1679:W71 1674:W70 1669:W69 1664:W68 1659:W67 1654:W64 1649:W63 1644:W62 1639:W61 1634:W60 1629:W59 1624:W58 1619:W56 1614:W55 1609:W53 1604:W52 1599:W50 1594:W49 1589:W47 1579:W41 1574:W39 1569:W38 1554:W28 1549:W27 1544:W15 1528:B90 1512:B90 1507:B83 1502:B77 1497:B61 1492:B53 1482:B43 1477:B41 1462:B28 1339:W82 1333:W79 1328:W75 1323:W74 1318:W54 1313:W48 1308:W33 1303:W23 1298:W19 1277:B57 1246:W81 1236:W72 1231:W54 1221:W45 1216:W44 1211:W42 1206:W40 1201:W37 1196:W34 1191:W31 1186:W30 1181:W25 1176:W13 1171:W12 1135:B57 375:ACM 284:B61 241:in 228:W84 220:B61 214:'s 204:ACM 177:W80 98:No. 1908:: 1821:-0 1815:-0 1798:-3 1370:T4 1341:-1 1335:-1 1293:W9 1166:W8 1161:W7 1156:W5 1151:W4 928:^ 906:. 854:. 798:. 792:. 759:. 728:. 724:. 693:. 657:. 639:^ 621:. 564:4 551:0 543:3 530:0 522:2 491:1 464:0 245:. 234:. 1020:e 1013:t 1006:v 980:. 951:. 922:. 869:. 836:. 810:. 777:. 744:. 730:2 709:. 678:. 320:( 293:( 111:5

Index


Nuclear weapon
Los Alamos National Laboratory
Lawrence Livermore National Laboratory


thermonuclear warhead
enduring stockpile
variable yield
cruise missiles
ALCM
ACM
US Air Force
US Navy
BGM-109 Tomahawk
B61
stockpile
W84
BGM-109G Ground Launched Cruise Missile
Los Alamos National Laboratory
Los Alamos, New Mexico
physics package
Mk.81
Los Alamos National Laboratory
cruise missiles
B61
TATB
insensitive high explosives
B61-based line
Tomahawk

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