US and Russian nuclear arsenals

US President Barack Obama and his Russian counterpart, Dmitry Medvedev, signed a landmark nuclear arms treaty in the Czech capital, Prague on Thursday.

The treaty commits the former Cold War enemies to each reduce the number of deployed strategic warheads to 1,550 - 30% lower than the previous ceiling. Here is a breakdown of their respective arsenals.

USA			RUSSIA
Intercontinental ballistic missile

Name	No.	Warheads	Name	No.	Warheads
Minuteman^*	450	550	SS-18 (Satan)	50	500
			SS-19 (Stiletto)	60	360
			SS-25 (Sickle)	150	150
			SS-27 (Topol)^*	71	80
SUBTOTAL	450	550		331	1,090

Submarine-launched ballistic missiles

Name	No.	Warheads	Name	No.	Warheads
Trident	288	1,152	SS-N-18 M1 (Stingray)	64	192
			SS-N-23^* (Skiff & Sineva)	96	384
SUBTOTAL	288	1,152		144	576

Bombers

Name	No.	Warheads	Name	No.	Warheads
B52 Stratofortress	44	350	Tu-95 (Bear)	62	682
B-2A Spirit^*	16	150	Tu-160 (Blackjack)^*	13	156
SUBTOTAL	60	500		75	838

Nonstrategic (short-range) forces

Name	No.	Warheads	Name	No.	Warheads
Tomahawk^* cruise missile	325	100	53T6 (Gazelle)	68	68
B61 bombs		400	SA-10 (Grumble)^*	1,900	630
			Bombers/fighters	524	650
			Subs/Ships/Air		700
SUBTOTAL	325	500		1,492	2,000
TOTAL	1,123	2,702		2,042	4,600
Source: Bulletin of the Atomic Scientists

Note: Names in brackets are those used by Nato. Those names with an "*" next to them are pictured. The data for the US relates to 2009. That for Russia, 2010.

Photo Credits: Getty, AFP, Airteamimages.com , GlobalSecurity.Org