Complete List of All U.S. Nuclear Weapons

Desig-
nation
Type Width
(in.)
Length
(in.)
Weight
(lb.)
Yield(s) Fuzing Deployment
Status
Comments
Mk-I Bomb 28 120 8,900 15 - 16 Kt Airburst Used in combat in 1945, never stockpiled; only 5 bomb assemblies completed, all retired by Nov 1950 Gun-assembly HEU bomb; "Little Boy" dropped on Hiroshima
Mk-II Bomb           Theoretical design, never produced Low-efficiency plutonium implosion bomb
Mk-III Bomb 60.25 128 10,300 18, 20-23, 37, 49 Kt Airburst Used in combat in 1945; mass production 4/47-4/49, 120 produced; all retired late 1950 Plutonium implosion bomb; "Fat Man", Model 1561; Mods 0, 1, 2
Mk-4 Bomb 60 128 10,800 - 10,900 1, 3.5, 8, 14, 21, 22, 31 Kt Airburst Entered service 3/49; produced 3/49-5/51; 550 produced (all mods);
Retired 7/52-5/53
Implosion fission bomb; redesigned weapon based on Mk-III Mod 1; first IFI weapon; first assembly-line produced nuclear weapon; used type C and D pits, composite Pu-HEU cores; 3 mods
W-4 Warhead 60 90 6,500   Airburst Canceled 1951 Planned warhead for the Snark SSM cruise missile; Mk-4 bomb derivative
Mk-5 Bomb 43.75 129 - 132 3,025 - 3,175 6, 16, 55, 60, 100, 120 Kt Airburst or contact Entered operational stockpile 5/52;
last retired 1/63;
140 bombs (all mods) produced
92 lens high efficiency implosion bomb; used type D pit, composite cores; first weapon with major size/weight reduction over Fat Man; used as primary (1st stage) in the first thermonuclear devices; 4 mods; first weapon to use auto IFI
W-5 Warhead 39; 44 76 2,405 - 2,650; 2,600 (XW-5-X1) same as Mk-5 Airburst or surface Start of manufacture 4/54 (Regulus), 7/54 (Matador);
retired 7/61 - 1/63;
35 (Regulus), 65 (Matador) produced
Warhead for the Matador (MGM-1) and Regulus 1 (SSM-N-8) SSM cruise missiles; application to the Rascal air-to-surface canceled; first missile warhead; produced by modifying stockpile Mk-5 bombs
Mk-6 Bomb 61 128 7,600 - 8,500 8, 26, 80, 154, 160 Kt Airburst or contact Manufactured from 7/51 to early 1955; 1100 bombs (all mods) produced; last retired 1962 Improved high-yield lightweight Mk-4; 7 mods; some Mk-4Ds were converted Mk-6 Mod 0; early mods had 32 lens implosion system, Mod 2 and later had 60 lens system
Mk-7 Bomb 30.5 183 1,645 - 1,700 8, 19, 22, 30, 31, 61 Kt Airburst or contact Manufactured 7/52 - 2/63; in service July 1952-1967; 1700 - 1800 produced Mk-7 "Thor"; multipurpose light weight tactical bomb; 92 lens implosion system; 6-7 yields; 10 mods, PAL A used on late mods
W-7 Warhead 30 - 30.5 54.8 - 56 900 - 1,100;
970 (W-7-X1 / X2);
983 (Betty)
90 T; 2 - 40 Kt Airburst, surface, hydrostatic W-7 warhead manufacture begun 12/53;
BOAR: stockpiled 1956 - 1963, 225 produced;
Corporal: stockpiled 1955 - 1965, 300 produced;
Honest John: stockpiled 1954 - 1960, 300 produced;
ADM: stockpiled 1955-1963, 300 produced;
Betty: stockpiled 6/55 - 1960, 225 produced;
Nike Hercules: canceled 1956
Multipurpose warhead - BOAR air-surface rocket, the Corporal (M-2) and Honest John (M-3) ballistic missiles, ADM, Betty Mk 90 ASW depth bomb, Nike Hercules SAM missile warhead (W-7-X1/X2); 7 yields, 4 mods; Corporal yield 2-40 Kt (several options), ADM yield low (90 T?), Betty yield 32 Kt
Mk-8 Bomb 14.5 116 - 132 3,230 - 3,280 25 - 30 Kt Pyrotechnic delay Manufactured 11/51 - 5/53; in service 1/52 - 6/57; 40 produced (all mods) Earth penetrating weapon, gun-assembly HEU bomb, nicknamed "Elsie" (for LC - light case), 2 mods; replaced by the Mk-11
W-8 Warhead           Canceled May 1955 Gun-assembly warhead, intended for use as a cratering warhead for the Regulus missile
W-9 Artillery Shell 11.02 (280 mm) 54.8 803; 850 15 Kt Mechanical time delay airburst Manufactured 4/52 - 11/53;
Retired 5/57; 80 produced
Used in T-124, the first U.S. nuclear artillery shell; gun-assembly HEU weapon, modified TX-8; replaced 1-for-1 by W-19; only 20 280mm cannons were ever made
Mk-9 / T-4 Atomic Demolition Munition     120 - 200   Time delay Stockpiled 1957;
retired 1963
The T-4 was built from recycled W-9 warheads; gun-assembly HEU weapon; replaced by W-45
Mk-10 Bomb 12   1,750; 1,500 12 - 15 Kt Airburst Canceled May 1952 "Airburst Elsie", a reduced size/ weight derivative of the Mk-8; superseded by the Mk-12
Mk-11 Bomb 14 147 3,210 - 3,500   Pyrotechnic delay Manufactured 1/56 - 1957; in service 1/56 - 1960; 40 produced Improved Mk-8 gun-assembly weapon, replaced Mk-8 on 1-for-1 basis; stockpiled as the "Mk-91 penetration bomb"
Mk-12 Bomb 22 155 1,100 - 1,200 12, 14 Kt Timer or contact Manufactured 12/54 - 2/57;
Retired 7/58 - 7/62; 250 produced
High-speed fighter-bomber weapon; 92-point implosion weapon; nicknamed "Brok"; probably first weapon using beryllium tamper; 4 versions stockpiled - 2 prototypes, 2 mods
W-12 Warhead 22   900 Low Kt Airburst Canceled Nov 1955 Talos (Navy)/Talos-W (Army) surface-air missile warhead
MK-13 Bomb 61 128 7,400 32 Kt (Upshot - Knothole Harry shot) Airburst or contact Canceled Aug 1954 High-yield Mk-6 follow-on, 92-point implosion system; superseded by TN Mk-15/39
W-13 Warhead 58 100 6,000 - 6,500   Airburst or contact Canceled Sept 1954 Early warhead intended for Snark cruise missile, Redstone ICBM; superseded by TN Mk/W-15/39
TX / MK-14 Bomb 61.4 222 - 223.5 28,954 - 29,851; 31,000 5-7 Mt; 6.9 Mt (Castle Union shot) Airburst Stockpiled 2/54 - 10/54;
5 produced
First deployed solid-fuel thermonuclear weapon; recycled into Mk-17 weapons by 9/56; used 95% enriched Li-6; 64 ft parachute
MK-15 Bomb 34.4 - 34.7; 35 136 - 140 7,600 1.69 Mt (Castle Nectar), 3.8 Mt (Redwing Cherokee) Airburst, contact (F/F or rtd), laydown Manufactured 4/55 - 2/57;
Retired 8/61 - 4/65; 1200 produced (all mods)
First "lightweight" U.S. TN bomb; used HEU secondary casing; 3 mods; 1x3 ft and 1x12 ft ribbon parachutes
W-15 Warhead 34.5   6,400 - 6,560     Canceled Feb 1957 Class "C" TN missile warhead derived from MK-15, canceled in favor of very closely related W-39
TX-16 Bomb 61.4 296.7 39,000 - 42,000 6 - 8 Mt Airburst Stockpiled 1/54 - 4/54;
5 produced
First deployed thermonuclear weapon; weaponized version of Ivy Mike device; only cryogenic TN weapon ever deployed
EC-17 Bomb 61.4 224.9 39,600 11 Mt (Castle Romeo shot) Airburst Stockpiled 4/54 - 10/54; 5 produced "Emergency Capability" weapon (deployed prototype); used natural lithium; free fall bomb
MK-17 Bomb 61.4 296.7 41,400 - 42,000 10 - 15 Mt Airburst or contact (Mod 2 only) Manufactured 7/54 - 11/55;
Retired 11/56 - 8/57; 200 produced
Similar to MK-24, different secondary; heaviest U.S. nuclear weapon, 2nd highest yield of any U.S. weapon (along with similar Mk-24); 3 mods; Mod 2 contact fused; 1x64 ft. parachute; replaced by the Mk-36
MK-18 Bomb 60 128 8,600 500 Kt (Ivy King shot) Airburst or contact Manufactured 3/53 - 2/55;
Retired 1/56 - 3/56; 90 produced (all mods)
Very high-yield MK-6/Mk-13 follow-on; largest pure fission bomb ever deployed; nicknamed the SOB ("Super Oralloy Bomb"); 92-point implosion system, all HEU core; 2 mods;
Retired by conversion to lower yield Mk-6 Mod 6; superseded by TN Mk-15 and Mk-28
W-19 Artillery Shell 11.02 (280 mm) 54 600 15 - 20 Kt Mechanical time delay airburst Production began 7/55;
Retired 1963; 80 produced
Used in T-315 atomic projectile; improved W-9; gun-assembly HEU weapon
Mk-20 Bomb 60 128 6,400     Canceled Aug 1954 Improved high-yield MK-13; superseded by TN MK-15
Mk-21 Bomb 56.2; 58.5 149 - 150 15,000 - 17,700 4 - 5 Mt Airburst, contact, laydown Manufactured 12/55 - 7/56;
Retired 6/57 - 1//57; 275 produced (all mods)
Redesigned Shrimp TN device with 95% enriched Li-6 fuel; 3 mods, all "dirty"; "clean" version tested, never deployed; Mod 1 contact fused; Mod 2 also had w/boosted primary;
Retired by conversion to Mk-36-Y1 Mod 1
W-21 Warhead 52; 145 15,000 - 16,000     Canceled For B-58, SM-64A 56 Navaho
Mk-22 Bomb 51   18,000 1 Mt   Canceled April 1954 UCRL design based on the Morgenstern/Ramrod devices; canceled following Morgenstern fizzle (Castle Koon)
W-23 Artillery Shell 16 64 1,500; 1,900 15 - 20 Kt Mechanical time delay airburst Production began 10/56;
Retired 10/62;
50 produced
US Navy "Katie" shell; W-19 (11 inch shell) internal components adapted to 16 inch shell body
EC 24 Bomb 61 225 39,600 13.5 Mt (Castle Yankee shot) Airburst Stockpiled 4/54 - 10/54;
10 produced
"Emergency Capability" weapon (deployed prototype); used enriched Li-6; free fall bomb
Mk-24 Bomb 61.4 296 41,400 - 42,000 10 - 15 Mt Airburst Manufactured 7/54 - 11/55;
Retired 9/56 - 10/56;
105 produced
Similar to MK-17, different secondary; heaviest U.S. nuclear weapon, 2nd highest yield of any U.S. weapon (along with similar Mk-17); 2 mods (Mod 2 with contact burst canceled); 1x64 ft parachute; replaced by the Mk-36
W-25 Warhead 17.35 - 17.4 25.7 - 26.6 218 - 221 1.7 Kt Time delay Manufactured 5/57 - 5/60;
Mod 0 retired 8/61 - 1965, all retired by 12/84;
3150 produced (all mods)
MB-1 Genie AAM warhead; unboosted composite implosion warhead; first "sealed pit" weapon; 2 mods, Mod 1 had environmental sensing device safeties
Mk-26 Bomb 56.2 150 15,000 - 17,700     Canceled 1956 Mk-21 sibling design
Mk-27 Bomb 30.2 125 - 142 3,150 - 3,300   Airburst or contact Manufactured 11/58 - 6/59;
Retired 11/62 - 7/65; 700 (all mods) produced
Navy TN bomb; This UCRL design was a competitor with the LASL Mk-28 to satisfy the Class "D" light weight TN bomb requirement; 3 mods
W-27 Warhead 30.25 - 31 75 2,800 2 Mt Airburst or contact Manufactured 9/58 - 6/59;
retired 8/62 - 7/65;
20 produced
Regulus I (SSM-N-8) SSM cruise missile warhead; considered for several other systems all of which were were canceled: the F-101 and B-58 bomb pods, and the Rascal, Regulus II, and Matador cruise missiles
Mk-28 Bomb 20; 22 96 - 170 1,700 - 2,320 Y1: 1.1 Mt,
Y2: 350 Kt,
Y3: 70 Kt,
Y5: 1.45 Mt
FUFO: F/F or retarded, airburst or contact, laydown Manufactured 1/58 - 3/58, 8/58 - 5/66; retirement of early mods began 1961, last one retired 9/91; 4500 produced (all mods) Multipurpose TN tactical and strategic bomb; longest weapon design in U.S. (33 years); 2nd largest production run of any U.S. weapon design; Y4 was fission only; 20 mods and variants; PAL A (Y1), B (Y2), D (Y3, Y5); replaced by B-61 and B-83 bombs; 1-point safety problem with primary discovered after start of initial manufacture, halting production for 5 months
W-28 Warhead 20 60 1,500 - 1,725 70 Kt - 1.45 Mt Airburst or contact Manufactured 8/58 - 5/66, entered service (Hound Dog) 1959 and (Mace) 1960;
Hound Dog retired 1/64 - 1976, Mace retired 1970;
production - 900 (Hound Dog), 100 (Mace)
Warhead for the Hound Dog (AGM-28) and Mace (MGM-13) cruise missiles; 5 mods; PAL A and B
W-29 Warhead 52; 35 145 3,500     Canceled Aug 1955 Canceled in favor of Mk-15
W-30 Warhead 22 48 438; 490; 450 300 T; 500 T (Talos and TADM); 4.7 Kt; 19 Kt Airburst, contact, time delay TADM: stockpiled 1961 - 1966, 300 produced;
Talos: manufactured 2/59 - 1/65, retired 1/62 - 3/79; 300 produced
Multipurpose warhead: Talos SAM/SSM, XW-30-X1 TADM (Tactical Atomic Demolition Munition) warhead; Talos - 1 yield, 3 mods; TADM - 2 yields stockpiled
W-31 Warhead 28 - 29; 30 39 - 39.3 900 - 945 1, 2, 12, 20, 40 Kt Airburst, timer, surface Honest John: manufactured 10/59 - 12/61, retired 7/67 - 1987, 1650 produced;
Nike Hercules: manufactured 10/58 - 12/61, retired 7/67 - 9/89, 2550 produced;
ADM: stockpiled 9/60 - 1965, 300 produced
Multipurpose boosted fission warhead: Honest John SSM, Nike Hercules SAM, ADM (Atomic Demolition Munition);
Versions used: Honest John: W-31 Mod 0, 3; Nike-Hercules: W-31 Mod 0, 2; ADM: Mk-31 Mod 1;
4 yields stockpiled: 2 for Nike-Hercules, 3 for Honest John (2, 20, and 40 Kt)
W-32 Artillery Shell 9.45 (240 mm)   400; 450     Canceled May 1955  
W-33 Artillery Shell 8 (203 mm) 37 240 - 243 5 - 10 Kt, 40 Kt (Y2) Mechanical time delay airburst Manufactured 1/57 - 1/65;
Retired 9/92; 2000 produced
W-33 used in the T-317 atomic projectile; gun-assembly HEU weapon; used titanium to reduce weight and size; 4 yields (Y1 - Y4) using different internal HEU assemblies, high yield variant may be boosted; 2 mods
W-34 ASW warhead / Bomb 17 32 312; 320; 311 11 Kt Hydrostatic, laydown, impact ASW: Manufactured 8/58 - 12/62;
retired 7/64 - 1971 (Lulu), 7/64 - 1976 (Astor);
2000 Lulu, 600 Astor produced;
Hotpoint: Manufactured 6/58 - 9/62;
Retired by 1965;
600 produced
Multipurpose warhead for ASW (antisubmarine warfare) and tactical use; ASW: Mk-34 Lulu depth bomb, Mk-44 Astor torpedo; tactical: Mk-105 Hotpoint bomb, first parachute retarded laydown weapon; 2 mods; boosted fission implosion device identical to the Mk-28 primary
W-35 Warhead 20; 28   1,500 - 1,700 1.75 Mt   Canceled Aug 1958 Early LASL TN ballistic missile warhead, intended for Atlas, Titan ICBMs, Thor, Jupiter IRBMs; competitor with UCRL W-38; canceled in favor of W-49 (a modified Mk-28)
Mk-36 Bomb 56.2; 58; 59 150 17,500; 17,700 9 - 10 Mt F/F or retarded airburst or contact Manufactured 4/56 - 6/58;
Retired 8/61 - 1/62; 940 produced (all mods)
Two-stage TN strategic bomb; Y1 "dirty," Y2 "clean", each in two mods; parachutes 1x5 ft, 1x24 ft ribbon; all Mk-21s converted to Mk-36 in 1957;
Retired in favor of Mk-41; at retirement this weapon represented almost half of the megatonnage of the U.S. arsenal
W-37 Warhead 30   900; 940     Canceled Sept 1956 Intended to be a high-yield multipurpose companion to the W-31; XW-37 was redesignated XW-31Y2
W-38 Warhead 32 82.5 3,080 3.75 Mt Airburst or contact Manufactured 5/61 - 1/63; retired 1/65 - 5/65; Production: 110 (Atlas), 70 (Titan) Warhead for Atlas E/F and Titan I ICBMs; used Avco Mk 4 RV; first UCRL designed TN ballistic missile warhead; competitor with LASL W-35/49
Mk-39 Bomb 35, 44 (tail section) 136 - 140 6,650 - 6,750 3-4 Mt (2 yields, Y1 and Y2) Airburst, contact; mod w/low-level retarded laydown Manufactured 2/57 - 3/59;
Retired 1/62 to 11/66; 700 produced (all mods)
Improved Mk-15, Mk-39 Mod 0 same as TX-15-X3; used gas-boosted primary to reduce weight; thermal batteries, improved safeties; 3 mods; parachutes: 1x6 ft, 1x28 ribbon, 1x100 ft
W-39 Warhead 34.5 - 35 105.7 6,230 - 6,400 3.8 Mt (2 yields, Y1 and Y2)   Redstone: stockpiled 7/58 - 1963, 60 produced;
Snark: manufactured 4/58 - 7/58, retired 8/62 - 9/65, 30 produced
Warhead for Snark cruise missile, Redstone MRBM, B-58 weapon pod;
Versions: Redstone Mk-39Y1 Mod 1 and Mk-39Y2 Mod 1, Snark Mk-39Y1 Mod 1; W-39 identical to Mk-39 except for fuzing system
W-40 Warhead 17.9 31.64 350; 385 (Y1) 10 Kt (Y1) Airburst or contact Bomarc: manufactured 9/59 - 5/62, retired by 11/72, 350 produced;
Lacrosse: manufactured 9/59 - 5/62, retired 10/63 - 1964, 400 produced
Warhead for Bomarc SAM and Lacrosse SSM; boosted implosion system adapted from Mk-28 primary; initially deployed version (produced 6/59-8/59) not 1-point safe, Mod 2 retrofit required; 2 yields
Mk-41 Bomb 52 148 10,500 - 10,670 25 Mt FUFU: F/F or retarded, airburst or contact, laydown Manufactured 9/60 - 6/62;
Retired 11/63 - 7/76; 500 produced
Highest yield U.S. weapon ever deployed; only U.S. 3-stage TN weapon; Y1 "dirty," Y2 "clean"; parachutes 1x4 ft, 1x16.5 ft;
retired in favor of Mk-53
W-41 Warhead 50   9,300     Canceled July 1957  
W-42 Warhead 13 - 14 18.5 75 - 92   Proximity Canceled June 1961 Intended for air-to-air (e.g. GAR-8), surface-to-air (e.g. Hawk) applications
Mk-43 Bomb 18 150 - 164 2,060 - 2,125 70 Kt - 1 Mt;
Y1: 1 Mt,
Y5: 500 Kt
F/F or retarded, airburst or contact, laydown Manufactured 4/61 - 10/65;
retirement (early mods) began 12/72, last retired 4/91;
1000 produced (all mods)
Laydown bomb for high-speed low-altitude delivery; 5 yields; Y4 is fission only; PAL B (mod 2); Parachutes: 1x4 ft, 1x23 ft ribbon; last version retired was MK-43Y2 Mod 2
W-44 ASW warhead 13.75 25.3 170 10 Kt Hydrostatic Manufactured 5/61 - 3/68;
retired 6/74 - 9/89;
575 produced
ASROC (RUR-5A) ASW warhead; plutonium implosion warhead, similar to primary for Mk-43
W-45 Warhead 11.5 27 150;
MADM: 350
500 T; 1, 5, 8, 10, 15 Kt Airburst, surface, time delay, command Terrier: manufactured 4/62 - 6/66, retired 7/67 - 9/88, 750 produced;
MADM: manufactured 1/62 - 6/66, retired 7/67 - 1984, 350 produced;
Bullpup: manufactured 1/62 - 1963, retired 7/67 - 1978, 100 produced;
Little John: manufactured 9/61 - 6/66, retired 7/67 - 1970, 500 produced
Multipurpose UCRL designed tactical warhead; small implosion design; Y1 (1 Kt): Little John SSM, Terrier SAM, MADM (Medium ADM); Y2: Little John, MADM; Y3 (unboosted): GAM-83B Bullpup ASM, MADM; Y4 (boosted, 1 Kt): Bullpup, Little John, Terrier, MADM
Mk-46 Bomb 37   6,400 Mt range   Canceled Oct 1958 "Clean" and "dirty" versions tested during Hardtack I; was to have replaced Mk-39; development of improved design continued as Mk-53
W-46 Warhead 35-40         Canceled April 1958 Warhead planned for Redstone, Snark, B-58 pod warhead; Redstone/W-46 canceled in favor of Titan II/W-53
W-47 Warhead 18 46.6 Y1: 717 - 720;
Y2: 733
Y1: 600 Kt;
Y2: 1.2 Mt
Airburst or contact EC-47 manufactured 4/60 - 6/60, retired 6/60, 300 produced;
W-47 manufactured 6/60 - 7/64, retired 7/61 - 11/74, 1060 produced (Y1 and Y2) - only 300 in service at a time
Polaris SLBM TN warhead; breakthrough in compact, light high yield design; integral warhead/beryllium re-entry vehicle; 3 versions: EC-47, W-47Y1, W-47Y2; several severe reliability problems required repeated modification and remanufacture (in 1966 75% of the stockpiled Y2s were inoperable, correction took until 10/67)
W-48 Artillery Shell 6.1 (155 mm) 33.3 118 - 128 72 T Mechanical time delay or proximity airburst, or contact Manufactured 10/63 - 3/68; retirement (135 Mod 0s) 1/65 - 1969, all 925 Mod 1s retired 1992; 1060 produced (all mods) Small diameter linear implosion plutonium weapon, 2 mods
W-49 Warhead 20 54.3 - 57.9 1,640 - 1,680 1.44 Mt Airburst or contact Manufactured 9/58 - 1964;
Thor retired 11/62 - 8/63 (a few to 4/75);
LASL developed ICBM/IRBM warhead; Used in Thor (Mod 0,1, 3), Atlas (Mod 0, 1), Titan, Jupiter (Mod 0, 1, 3, 5) warhead; 2 RVs used Mk-2 heat sink and Mk-3 ablative; 2 yields, 7 mods; Mk/W-28 adaptation with new arming/fuzing system; PAL A; successor to W-35
W-50 Warhead 15.4 44 409 - 410 Y1: 60 Kt;
Y2: 200 Kt;
Y3: 400 Kt
Airburst or contact Manufactured 3/63 - 12/65;
retired 4/73 - 4/91;
280 produced
TN warhead for Pershing SSM (Mod 1, 2), Nike Zeus SAM (canceled 5/59); Mod 1 equipped with PAL A; 3 yields, 2 mods
W-51 Warhead       22 T   Became XW-54 Jan 1959 Very small spherical implosion warhead, initial development by LRL, development transferred to LASL and design redesignated W-54
W-52 Warhead 24 56.7 950 200 Kt Airburst or contact Manufactured 5/62 - 4/66;
retired 3/74 - 8/78;
300 produced
Sergeant SSM warhead; 2 yields, 3 mods; PAL A (Mod 2); warhead test in 1963 showed Mods 1 and 2 to be useless, Mod 3 was first to achieve rated yield
Mk-53 Bomb 50 148 - 150;
Y2 144
8,850 - 8,900 9 Mt FUFO: F/F or retarded, airburst or contact, laydown Manufactured 8/62 - 6/65; retirement (early mods) began 7/67, last 50 retired from active service (but retained in permanent stockpile) early 1997; 350 produced, 50 still in stockpile Carried by B-47, B-52; B-58 used Mk-53BA (in BLU-2/B pod); 4 mods, Y1 "dirty" version, Y2 "clean" version; fissile material all HEU, no plutonium; parachutes: 1x4 ft, 1x16.5 ft ribbon, 3x48 ft ribbon; last 50 retired in favor of B-61 Mod 11; part of the U.S. "enduring stockpile"
W-53 Warhead 37 103 6,200 9 Mt Airburst or contact   Titan II warhead
W-54 Warhead 10.75 15.7 50 - 51 250 T Contact or proximity Manufactured 4/61 - 2/65; retired 7/67 - 4/72; 1000 - 2000 produced GAR-11/AIM-26A Falcon AAM warhead; originally called "Wee Gnat"; adaptation of Mk-54
Mk-54 Warhead 10.75 17.6 50 - 55 10, 20 T Time delay Manufactured 4/61 - 2/65;
retired 7/67 - 1971;
400 produced
Warhead for Davy Crockett M-388 recoilless rifle projectile; 2 yields; 2 mods; very light, compact spherical implosion plutonium warhead
Mk-54 SADM Atomic Demolition Munition (ADM) 16 24 150 (complete);
59 (W-54 only)
Variable, 10 T - 1 Kt Time delay Manufactured 8/64 - 6/66;
retired 1967 - 1989;
300 produced
SADM:
M-129/M-159 SADM (Special Atomic Demolition Munition) used a Mk-54 warhead package very similar to Davy Crockett; 2 mods; mechanical combination lock PAL
W-55 ASW 13 39.4 470 Mid Kiloton Range Hydrostatic Manufactured 1/64 - 3/68, 3/70 - 4/74;
retired 6/83 - 9/90;
285 produced
SUBROC (UUM-44A) ASW missile thermonuclear warhead; based on the 202 Kt Hardtack I Olive device
W-56 Warhead 17.4 47.3 600; 680 1.2 Mt Airburst or surface Manufactured 3/63 - 5/69;
retired 9/66 (early mods), Mod-4 retired 1991-93;
1000 produced (all mods), 455 Mod-4s produced
Minuteman I and II warhead, based on UCRL W-47, competitor with the W-59 for Minuteman; 4 mods, retrofit of early mods required to fix reliability problem, blast and radiation hardening added later
Mk-57 Bomb 14.75 118 490 - 510 5 - 20 Kt Retarded airburst, retarded laydown, F/F contact, hydrostatic Manufactured 1/63 - 5/67; retirement (early mods) started 6/75, last retired 6/93; 3,100 produced Light weight multipurpose tactical strike/depth bomb; boosted implosion fission weapon; modular design, 6 mods; PAL B; 1x12.5 ft ribbon parachute;
Retired in favor of B-61
W-58 Warhead 15.6 40.3 257 200 Kt Airburst or contact Manufactured 3/64 - 6/67; retired 9/68-4/82; 1400 produced Polaris A-3 warhead, each A-3 carried three multiple re-entry vehicles (MRVs), first MRV warhead in service
W-59 Warhead 16.3 47.8 550 - 553 1 Mt Airburst or contact Manufactured 6/62 - 7/63;
retired 12/64 - 6/69;
150 produced
Warhead for Minuteman I/Mk 5 RV and the canceled Skybolt; version of LASL "J-21" design;
W-60 Warhead 13 20 115 - 150 Very low Proximity Canceled Dec 1963 Typhon SAM warhead
MK/B 61 Bomb 13.3 141.64 695 - 716 Variable (4 yields), 0.3 - 340 Kt;
Mod 3: 0.3 - 170 Kt;
Mod 4: 0.3 - 45 Kt;
Mod 7/11: 10 - 340 Kt;
Mod 10: 0.3 - 80 Kt
FUFO: retarded and F/F, contact or airburst, laydown Manufactured 10/66 - early 90s; early mods retired 70s - 80s; 3150 produced, 1350 in service Multipurpose tactical/strategic bomb; basic design adapted to many other weapon systems; 4 yields; 11 mods, 5 in service; PAL B, D, F; uses IHE in primary; parachute: 1x17 ft or 1x24 ft ribbon; longest production run of any U.S. nuclear weapon, oldest design in service; part of the U.S. "enduring stockpile"
W-62 Warhead RV Body: 21 in;
Warhead: 19.7 in
RV Body: 72 in;
Warhead: 39.3 in
Warhead/RV: 700-800 lb;
Warhead: 253 lb
170 Kt Airburst or contact Manufactured 3/70 - 6/76;
early mods retired starting 4/80;
1725 produced, 610 in active service;
Minuteman III/Mk-12 RV warhead; remaining W-62s part of U.S. "enduring stockpile", but will be removed from active service under START II (to be replaced by W-88s)
W-63 Warhead           Canceled Nov 1966 LRL design for Lance SSM warhead; ER ("neutron bomb") design; (canceled in favor of W-70
W-64 Warhead           Canceled Sep 1964 LASL design for Lance SSM warhead; ER ("neutron bomb") design; canceled in favor of W-63
W-65 Warhead       Mt range   Canceled Jan 1968 Sprint ABM warhead, canceled in favor of W-66
W-66 Warhead 18 35 150 Kt range   Manufactured 6/74 - 3/75;
retired from service 8/75, ret. from stockpile 1985;
70 produced
Sprint ABM warhead, ER ("neutron bomb") warhead
W-67 Warhead       150 Kt   Canceled Dec 1967 LRL ICBM/SLBM multiple warhead, intended for Poseidon and Minuteman-III
W-68 Warhead     367 40 - 50 Kt Airburst or contact Manufactured 6/70 - 6/75; retired 9/77 - 1991; 5250 produced Poseidon Mk-3 RV warhead, each missile carried 10 RVs; aging problems with explosive required complete rebuilding of stockpile 11/78-83 (3200 rebuilt, others retired); largest production run of any U.S. warhead
W-69 Warhead 15 30 275 170 - 200 Kt Airburst or contact Manufactured 10/71 - 8/76;
retired 10/91 - 9/94;
1500 produced
SRAM (short range attack missile, AGM 69A) air-surface missile warhead; derived from Mk-61; initially removed from active service 6/90 due to fire safety concerns
W-70 Warhead 18 41 270 Mods 0,1, 2: variable from 1-100 Kt;
Mod 3: 1 Kt
Airburst or contact Manufactured 6/73 - 7/77 (Mods 0-2), 8/81 - 2/83 (Mod 3);
retired 7/79 - 9/92;
Mods 0-2: 900 produced, Mod 3: 380 built
Lance SSM warhead; LRL successor to W-63 design; 4 mods; Mods 0, 1, 2: TN warhead with 3 yield settings (1-100 Kt), Mod 1 had improved selection of yields; Mod 3: enhanced radiation ("neutron bomb") version, 2 yield options (slightly less than 1 Kt, and slightly more than 1 Kt), both 60% fusion and 40% fission; PAL D
W-71 Warhead 42 101 2,850 5 Mt Airburst (command & delay timer) Manufactured 7/74 - 7/75;
retired from service 1975, ret. from stockpile 9/92;
30 produced
Spartan ABM warhead, used thermal x-rays for exoatmospheric RV kill
W-72 Warhead 15 79 825 ca. 600 T Contact Manufactured 8/70 - 4/72;
retired 7/79 - 9/79;
300 produced
Walleye (AGM-62) guided glide bomb warhead; W-72 was a modified W-54, salvaged from retired AIM-26A Falcon AAM; yield was significantly enhanced over Falcon version
W-73 Warhead <17         Canceled Sept 1970 Condor ASM warhead; derived from Mk-61; canceled in favor of a conventional HE warhead
W-74 Artillery Shell 6.1 (155 mm)     2 yields (both >100 T)   Canceled June 1973 Linear implosion pure fission plutonium warhead; intended to replace W-48
W-75 Artillery Shell 8 (203 mm)     >100 T   Canceled 1973 "Big brother" of W-74, similar design
W-76 Warhead     363 100 Kt Airburst or contact Manufactured 6/78 - 7/87;
active service;
approx. 3000 produced
Trident I and Trident II Mk-4 RV TN warhead, missiles can carry 8-14 RVs; developed by LANL; part of the U.S. "enduring stockpile"
B-77 Bomb 18 144 2,400 Variable, Kt to Mt range FUFO Canceled Dec 1977 High yield strategic TN bomb, intended to replace Mk-28 and Mk-43; PAL D; costly, heavy delivery system lead to cancellation, warhead design continued with B-83
W-78 Warhead 21.25 67.7 400 - 600 335 - 350 Kt Airburst or contact Manufactured 8/79 - 10/82;
active service;
1083 produced, 920 in service
Minuteman III/Mk-12A RV warhead; LANL design derived from W-50 with a new lighter primary; part of U.S. "enduring stockpile", but will be removed from active service under START II (to be replaced by W-88s)
W-79 Artillery Shell 8 44 200 Variable - 100 T to 1.1 Kt (Mod 0), 0.8 Kt (Mod 1) Proximity airburst or contact Manufactured 7/81 - 8/86; ER version retirement started mid-80s, all retired 9/92; 550 (325 ER, 225 fission) produced Plutonium linear implosion weapon, used in XM-753 atomic projectile (AFAP); Mod 0: dual capable - pure fission or enhanced radiation (ER of "neutron bomb"), 3 yield options; Mod 1: fission only; PAL D
W-80-0 Warhead 11.8 31.4 290 Variable: 5 Kt and 170-200 Kt Airburst or contact Manufactured 12/83 - 9/90;
active service;
367 produced
SLCM warhead; uses supergrade plutonium; PAL D; LANL design derived from Mk/B-61 warhead; now stored ashore; part of the U.S. "enduring stockpile"
W-80-1 Warhead 11.8 31.4 290 Variable: 5 Kt and 150-170 Kt Airburst or contact Manufactured 1/81 - 9/90;
active service;
1750 produced, 1400 in service
Warhead for ALCM (1000 in service), ACM (400 in service); PAL D; LANL design derived from Mk/B-61 warhead; part of the U.S. "enduring stockpile"
W-81 Warhead <13.5     2 - 4 Kt   Canceled 1986 USN Standard SM-2 SAM warhead; PAL F; variant of Mk/B-61 warhead, enhanced radiation version initially planned, later converted to fission only
W-82 Artillery Shell 6.1 (155 mm) 34 95 <2 Kt Airburst W-82-0 canceled in Oct 1983; W-82-1 canceled in Sept 1990
155 mm companion to the the W-79, for use in XM-785 atomic projectile (AFAP); original Mod 0: dual capable - pure fission or enhanced radiation; Mod 1: fission only; PAL D
B-83 Bomb 18 145 2,400 Variable, low Kt to 1.2 Mt FUFO: F/F or retarded, airburst or contact, laydown Manufactured 6/83 - 1991;
active service;
650 produced
Current high-yield strategic TN bomb; PAL D; uses IHE, fire resisitant pit; parachutes: 3x4 ft, 1x46 ft; 1x5 ft, 1x46 ft
W-83 Warhead     1,700 - 1,900       PAL D
W-84 Warhead 13 34 388 Variable: 0.2 - 150 Kt Airburst or contact Manufactured 9/83 - 1/88;
inactive stockpile;
300-350 produced
GLCM warhead, missile scrapped under INF Treaty; LLNL design derived from LANL Mk/B-61 Mod 3/4 warhead; uses IHE, PAL F; part of the U.S. "enduring stockpile"
W-85 Warhead 12.5 42 880 Variable: 5 - 80 Kt Airburst or contact Manufactured 2/83 - 7/86;
retired 1988 - 3/91;
120 produced
Pershing II SSM warhead; derived from LANL Mk/B-61 Mod 3/4 warhead; uses IHE, PAL F; upon retirement the W-85 was recycled into B-61 Mod 10 bombs
W-86 Warhead         Delayed Canceled Sept 1980 Earth penetrating warhead for the Pershing II SSM, canceled due to change in mission from hard to soft targets
W-87 Warhead 21.8 68.9 500 - 600; 440 300 Kt;
upgradeable to 475 Kt
Timer or proximity airburst, contact Manufactured 7/86 - 12/88;
active service;
525 produced
Peacekeeper (MX) ICBM/Mk-21 RV TN warhead (missile carries 10); RV/warhead weighs 800 lb; LLNL design; primary uses IHE and fire resistant pit; yield upgradeable by adding HEU rings to secondary; part of the U.S. "enduring stockpile"; after MX retirement, will equip Minuteman III
W-88 Warhead 21.8 68.9 <800 475 Kt Timer (w/path length correction) and proximity airburst; contact Manufactured 9/88 - 11/89; active service;
400 produced
Trident II Mk-5 RV warhead; does not use IHE; uses HEU jacket with secondary stage; production terminated by FBI raid on Rocky Flats; part of the U.S. "enduring stockpile"
W-89 Warhead 13.3 40.8 324 200 Kt Airburst or contact Canceled Sept 1991 SRAM (short range attack missile) II warhead; LLNL design; safety features: PAL D, IHE, FRP; also considered for Sea Lance ASW missile
B 90 Bomb 13.3 118 780 200 Kt retarded airburst, retarded contact, F/F airburst, F/F contact, hydrostatic Canceled 1991 USN nuclear strike/depth bomb; intended to replace Mk-57; PAL D; 1x26 ft parachute
W-91 Warhead     310 10, 100 Kt   Canceled Sept 1991 SRAM-T (short range attack missile - tactical) warhead; SRAM-T was a SRAM II derivative for the F-15E Eagle fighter/bomber; LASL TN design orignally called "New Mexico 1"; safety features: FRP, IHE; 2 yields