Nuclear warhead listing: United States

UNITED STATES
Nuclear warheads and applications

compiled by Wm. Robert Johnston
last updated 9 September 2008

weapon name	warhead designation	weapon type	stock entry	IOC	off alert	retire stock	warhead type	est. number built	yield
Little Boy	Mk-I	NGB	1945	1945	1950	1951	GA	5	15 kt
Mk-II	Mk-II	NGB	cancelled				IP	0
Fat Man	Mk3A	NGB	1945	1945	1949	1949	IP	20	22 kt
Mk-IIIB	Mk3B	NGB	1947	1947	1950	1950	IP	120	21 kt
Mk-4	B4	NGB	1949	1949	1953	1953	IM	400	SC--18, 22, 37 kt
Snark	W4	ICCM	cancelled				IM	0
Mk-5	B5	NGB	1952	1952	1962	1963	IM	140	SC--to 81 kt
Regulus I	W5	SLCM	1954	1955	1965	1965	FI	35
Matador	W5-0	GLCM	1954	1955	1962	1963	FI	65
Mk-4N	Mk-6-0	NGB	1951	1952	1952	1952	IM	100*
Mk-6	B6	NGB	1951	1951	1962	1962	IM	1190	SC--to 160 kt
N-7	B7-0	NGB	1952	1952	1953	1953	IM	40*	SC
Thor	Mk-7	NGB	1952	1952	1967	1967	IM	470	SC--1 to 70 kt
Corporal	W7	SRBM	1953	1955	1965	1965	IM	300	DV--2 to 40 kt
Betty	W7-1	NDB	1955	1955	1960	1960	FI	225	30 kt
BOAR	W7	ASM	1954	1956	1963		IM	225	SC--1 kt to 70 kt
Honest John W7	W7	SRBM	1953	1955	1960	1960	FI	300
ADM-B	W7	ADM		~1954	~1959		FI	300	0.09 kt
TX-8	TX-8-X2	NGB	1951	1952		1957	GA	3	~18 kt
Elsie	Mk-8	NGB	1952	1952	1957	1957	GA	40	~18 kt
Regulus I	W8	SLCM	cancelled				GA	0
T-4	W8	ADM	1957	1957	~1963		GA	40*	~18 kt
T-124	Mk 9	AFAP	1952	1953	~1957	1957	GA	80	15 kt
Air-Burst Elsie	TX-10	NGB	cancelled				GA	0	~14 kt
MK 91 Mod 0	Mk-11	NGB	1956	1956	1960	1960	GA	40	~15 kt
Brok	Mk-12	NGB	1954	1955	1962	1962	IM	250	SC--10 to 20 kt
	W12		cancelled				IM	0
Mk-13	Mk-13	NGB	cancelled				FI	0	32 kt
Navaho	XW-13	ICCM	cancelled				FI	0	32 kt
EC14	B14	NGB	1954	1954	1954	1954	TN	5	6.9 mt
Mk-15	B15	NGB	1955	1955	1965	1965	TS	1200	3.4 mt
Navaho	W15	ICCM	cancelled				TS	0
EC16	B16	NGB	1954	1954	1954	1954	TS?	5	7.5 mt
EC17	B17	NGB	1954	1954	1954	1954	TN	5	11 mt
Mk-17	B17	NGB	1954	1954	1957	1957	TN	200	~12.5 mt
Super Oralloy Bomb	Mk-18	NGB	1953	1953	1956	1956	IC	90*	500 kt
T-315	Mk 19	AFAP	1956	not deployed		1963	GA	80	~15 kt
B20	B20	NGB	cancelled				FI	0	~80 kt
B21	B21	NGB	1955	1956	1957	1957	TC	275	4.5 mt
B21	B21	NGB	1955	1956	1957	1957	TD	275	4.5 mt
Navaho	W21	ICCM	cancelled				TN	0	4.5 mt
B22	B22	NGB	cancelled				TN	0	1 mt
Mk 23 Katie	S23	AFAP	1956	~1957	1958	1962		50	~18 kt
EC24	B24	NGB	1954	1954	1954	1954	TN	10	~13.5 mt
Mk-24	B24	NGB	1954	1954	1956	1956	TN	105	~15 mt
Genie	EC25	AAM	1956	1956	1957	1957	IP	20	~1.5 kt
Genie	W25	AAM	1957	1957	~1984	1984	IP	3150	~1.5 kt
B26	B26	NGB	cancelled				TC?	0
B27	B27	NGB	1958	1958	1964	1964	TD	700	~5 mt
Rascal	W27-0	ASM	1958	not deployed		1958	TD?	0
Regulus II	W27-0	SLCM	1958	1959	1964	1965	TD	25	~4 mt
B28-Y1	B28	NGB	1958	1958	~1991	1991	TD?	4500	1.1 mt
B28-Y2	B28	NGB	1958	1958	~1991	1992	TD		350 kt
B28-Y3	B28	NGB	1958	1958	~1991	1992	TD		70 kt
B28-Y4	B28	NGB	1958	1958	~1991	1992	FI?		~70 kt?
B28-Y5	B28	NGB	1958	1958	~1991	1992	TD?		1.45 mt
Hound Dog	W28	ALCM	1958	1960	1975	1976	TD?	600	~1 mt
Mace	W28-0	GLCM	1958	1959	1970	1970	TD?	100	~1 mt
Navaho	TX-29	ICCM	cancelled				TS	0
Talos-W	W30	SAM	1959	~1959	1974	1979	FI	300	~0.5 kt
TADM	W30	ADM	1961	~1961	~1966	1966	FI	300	SV--0.5 kt
Nike Hercules	W31	SAM	1958	1959	~1987	1989	BF	2550	SC--2 or 40 kt
Honest John W31	W31	SRBM	1958	~1960	~1987	1987	BF	1650	SC--2, 20 or 40 kt
MK 31	W31-1	ADM	1960	~1960	~1965	1965	BF	300
T-332	TX-32	AFAP	cancelled				GA	0
M-422	W33	AFAP	1956	1956	~1991	1992	GA	2000	SC--1.25 kt, 12 kt BF
Lulu	W34	NDB	1958	1958	~1971	1977	IF	2000	9 kt
Hotpoint	W34	NGB	1958	~1958	1964	1977	IF	600	11 kt
ASTOR	W34	ASW	1960	~1961	1974	1977	IF	600	9 kt
Atlas	XW-35	ICBM	cancelled				TN	0	1.75 mt
B36 Y1	B36Y1	NGB	1956	1956	~1961	1962	TD	940	9.5 mt
B36 Y2	B36Y2	NGB	1956	1956	~1961	1962	TC	940	6 mt
Nike Hercules	W37	SAM	cancelled				BF	0	40 kt
Atlas E	W38	ICBM	1961	1961	1965	1965	TN	30	3.75 mt
Atlas F	W38	ICBM	1961	1962	1965	1965	TN	80	3.75 mt
Titan I	W38	ICBM	1961	1962	1965	1965	TN	70	3.75 mt
B39	B39	NGB	1957	1957	1966	1966	TS	700	3 mt
B39	B39	NGB	1957	1957	1966	1966	TS	700	4 mt
Snark	W39-Y1	ICCM	1958	1960	1961	1965	TS	30	~5 mt
Redstone	W39-1	SRBM	1958	1958	1964	1964	TS	60	2 mt
Redstone	W39-1	SRBM	1958	1958	1964	1964	TS	60	3.8 mt
Bomarc	W40	SAM	1959	~1959	1972	1972	BF	350	~8 kt
La Crosse	W40	SRBM	1959	1960	1963	1964	BF	400
B41 Y1	B41Y1	NGB	1960	1960	1976	1976	TD	150	~25 mt
B41 Y2	B41Y2	NGB	1960	1960	1976	1976	TC	350	9.3 mt?
Eagle	W42	AAM	cancelled					0	DV
B43 Y1	B43	NGB	1961	1961	1991	1991	TN	1000	1 mt
B43 Y2	B43	NGB	1961	1961	1991	1991	TN
B43 Y3	B43	NGB	1961	1961	1991	1991	TN
B43 Y4	B43	NGB	1961	1961	1991	1991	FI		70 kt
B43 Y5	B43	NGB	1961	1961	1991	1991	TN		500 kt
ASROC	W44	ASW	1961	~1962	~1990	~1993?	BF?	574	1 kt
Bullpup B	W45-0	ASM	1962	1962	~1978	1978	BF	100	0.5 kt
Little John	W45	SRBM	1962	1962	1969	1970	BF	500
Terrier	W45	SAM	1962	1962	~1990		BF	750	1 kt
MADM	W45	ADM	1962	~1962	~1984	1984	BF	350	0.5 kt
MADM	W45	ADM	1962	~1962	~1984	1984	BF
MADM	W45	ADM	1962	~1962	~1984	1984	BF		15 kt
B46	TX-46	NGB	cancelled				TC	0	~5 mt
Snark	B46	ICCM	cancelled				TN	0
Polaris A1	EC47	SLBM	1960	not deployed		1960	TN	300	600 kt
Polaris A1	W47-Y1	SLBM	1960	1960	1965		TN	1060	600 kt
Polaris A2 Y1	W47-Y1	SLBM	1960	1962	~1967		TN		600 kt
Polaris A2 Y2	W47-Y2	SLBM		~1963	1974	1974	TN		800 kt
M-454	W48	AFAP	1963	~1963	~1992	1996	LI	2000	0.072 kt
Thor	W49	IRBM	1958	1959	1963	1975	TN	35	1.44 mt
Thor	W49	ASAT	1958	1964	1971	1975	TN	10*	1.44 mt
Jupiter	W49	IRBM	1960	1960	1963		TN	30	1.44 mt
Atlas D	W49	ICBM	1958	1959	1964		TN	30	1.44 mt
Nike Zeus	W50-0	ABM	cancelled				BF	0
Nike Zeus	W50-0	ASAT	1963	1963	1966	1991	BF	10
Pershing IA Y1	W50-1 Y1	MRBM	1963	1964	1990	1991	BF	280	60 kt
Pershing IA Y2	W50-1 Y2	MRBM	1963	1964	1990	1991	BF		200 kt
Pershing IA Y3	W50-1 Y3	MRBM	1963	1964	1990	1991	BF		400 kt
Falcon	XW-51	AAM	cancelled				IP	0	0.022 kt
Sargeant	W52	SRBM	1962	1963	1976	1978	TN	300	200 kt
B53 Y1	B53 Y1	NGB	1962	1962	1997	(2011)	TD	340	9 mt
B53 Y2	B53 Y2	NGB	1964	~1964			TC	340	9 mt?
Titan II	W53	ICBM	1962	1963	1987	~1988	TN	60	9 mt
Falcon	W54	AAM	1961	1961	1972	1972	IP	2000	0.01 kt
Davy Crockett	W54-2	SRBM	1961	1961	1969	1971	IP	400	S--0.25 or 0.01 kt
SADM	W54	ADM	1964	~1964	~1989	1989	IP	260	S--~1 or 0.01 kt
SUBROC	W55	ASW	1964	1965	~1990	~1998	TN?	285	~5 kt
Minuteman I Mk11	W56	ICBM	1963	1963	1974		TN	850	1.2 mt
Minuteman II	W56	ICBM	1963	1966	1991	(2005)	TN	500*	1.2 mt
B57	B57	NGB	1963	1963	1992	1992	IP?	3100	S--sub-kt to 20 kt
Polaris A3	W58	SLBM	1964	1964	1981	1982	TN	1400	200 kt (x3 MRVs)
Minuteman I Mk5	W59	ICBM	1962	1962	1969	1969	TN	150	1 mt
Skybolt	XW-59-X1	ALBM	cancelled				TN	0	1 mt
Typhon	W60	SAM	cancelled					0
B61-0	B61-0	NGB	1966	1968	~1992	1996	TN	300	S--10, 100, 345, or 500 kt
B61-1	B61-1	NGB	1966	1969	1991	1991	TN	600	S--10, 100, 345, or 500 kt
B61-2	B61-2	NGB	1975	1975	1992	~1997	TN	275	S--~1, 10, 100, or 345 kt
B61-3	B61-3	NGB	1979	1979			TN	750	S--0.3, 1.5, 60, or 170 kt
B61-4	B61-4	NGB	1979	1979			TN	750	S--0.3, 1.5, 10, or 45 kt
B61-5	B61-5	NGB	1977	1977	1992	~1997	TN	350	S--~1, 10, 100, or 345 kt
B61-6	B61-6	NGB		1991	~1993	~1993	TN	150*	S--10, 100, 345, or 500 kt
B61-7	B61-7	NGB	1985	1985			TN	900*	S--~1, 10, 100, or 360 kt
B61-8	B61-8	NGB	~1992	~1992			TN	625*	S--~1, 10, 100, or 345 kt
B61-9	B61-9	NGB	~1992	~1992			TN	150*	S--10, 100, 345, or 500 kt
B61-10	B61-10	NGB	1990	1990	2005		TN	120*	S--0.3, 5, 10, or 80 kt
B61-11	B61-11	NGB	1996	1997			TN	100*	400 kt
SRV	W61	SLBM	proposed				TN	0*	S--up to 500 kt?
Minuteman III Mk12	W62	ICBM	1970	1970	2007	(~2009)	BF?	1725	170 kt (x1-3 MIRVs)
Lance	W63	SRBM	cancelled				ER	0
Lance	W64	SRBM	cancelled				ER	0
Sprint	W65	ABM	cancelled				ER	0
Sprint	W66	ABM	1974	1975	1976	1985	ER	77	10 kt
Minuteman III Mk17	W67	ICBM	cancelled				TN	0	~2 mt
Poseidon C3 Mk17	W67	SLBM	cancelled				TN	0	~2 mt
Poseidon C3	W68	SLBM	1970	1971	1992	~1997?	BF	5220	40 kt (x6-14 MIRVs)
SRAM-A	W69	ASM	1971	1972	1990	(1999)		1200	170 kt
Lance	W70	SRBM	1973	1974	~1992	1996	BF	902	S--up to 100 kt
Lance	W70-3	SRBM	1981	not deployed		1992	ER	380	S--up to ~1 kt
Spartan	W71	ABM	1974	1975	1976	1995	TN	39	~4.8 mt
Walleye	W72	ASM	1970	1972	~1979	1979	FI?	300	~0.6 kt
Condor	W73	ASM	cancelled					0
W74	W74	AFAP	cancelled				PG	0	S--two options
W75	W75	AFAP	cancelled				PG	0
Trident I	W76	SLBM	1978	1979	2005		BF?	3175	100 kt (x8 MIRVs)
Trident II Mk4	W76	SLBM	1978	1991			BF?	1350*	100 kt (x4-8 MIRVs)
Trident II Mk4A	W76-1	SLBM	2007	2008			BF?	50*	100 kt (x4-8 MIRVs)
B77	B77	NGB	cancelled				TN	0	V--~40 kt to 1 mt
Minuteman III Mk12A	W78	ICBM	1979	1979	(~2003)		TN?	1000	335 kt (x2-3 MIRVs)
M-753	W79-1	AFAP	1981	~1982	~1992	(1999)	LI	325	S--0.5, 1.1, or 2.5 kt
M-753	W79-1	AFAP	1984	not deployed		1992	ER	225	~0.8 kt
Tomahawk	W80-0	SLCM	1983	1984	~1992		TN	367	V--up to 200 kt
ALCM-B	W80-1	ALCM	1981	1982			TN	1660	V--5 to 150 kt
ACM	W80-1	ALCM	1990	1991	~2007		TN	460*	V--5 to 150 kt
Tomahawk	W80-2	SLCM	(2006)				TN	0	V--up to 200 kt
ALCM-B	W80-3	ALCM		(2008)			TN	0	V--5 to 150 kt
Standard 2	W81	SAM	cancelled				IC	0	3 kt
W82-0	W82-0	AFAP	cancelled				ER	0	~1 kt
XM-785	W82-1	AFAP	cancelled					0	~1.5 kt
B83	B83	NGB	1983	1984			TN	650	V--up to ~1.2 mt
Gryphon	W84	GLCM	1983	1983	1991			325	V--10 to 50 kt
Pershing II	W85	IRBM	1983	1983	1991	1991	TN	120	V--0.3 to 80 kt
Pershing II	W86	IRBM	cancelled					0
MX Peacekeeper	W87-0	ICBM	1986	1986	(~2003)		TN	525	300 kt (x10 MIRVs)
MX Peacekeeper	W87-0	MICBM	cancelled				TN	0	300 kt (x10 MIRVs)
Minuteman III SERV	W87-0	ICBM	1986	2006			TN	525*	300 kt (x1-2 MIRVs)
Midgetman	W87-1	MICBM	cancelled				TN	0	~500 kt
Trident II Mk5	W88	SLBM	1988	1990			TS?	400	475 (x4-8 MIRVs)
SRAM-A	W89	ASM	cancelled					0	V--up to 200 kt
SRAM II	W89	ASM	cancelled					0	V--up to 200 kt
B90	B90	NDB	cancelled					0	low kt
SRAM-T	W91	ASM	cancelled					0	S--10 or 100 kt
Excalibur		DEW	cancelled				TN	0	~50 kt?
	EPW	NGB?	proposed				TN	0
Trident II Mk5	RRW-1	SLBM	proposed				TN	0	(x4-8 MIRVs)
Minuteman III Mk12A	RRW-2	ICBM	proposed				TN	0	(x1-2 MIRVs)

For explanation of terms and sources, click here. Under est. warheads built, * indicates modifications from existing warheads, not new constructions.

UNITED STATESNuclear warheads and applications

UNITED STATES
Nuclear warheads and applications