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
NameNo.WarheadsNameNo.WarheadsMinuteman*450550SS-18 (Satan)50500SS-19 (Stiletto)60360SS-25 (Sickle)150150SS-27 (Topol)*7180SUBTOTAL4505503311,990Submarine-launched ballistic missiles
NameNo.WarheadsNameNo.WarheadsTrident2881,152SS-N-18 M1 (Stingray)64192SS-N-23*(Skiff & Sineva)96384SUBTOTAL2881,152144576Bombers
NameNo.WarheadsNameNo.WarheadsB52 Stratofortress44350Tu-95 (Bear)62682B-2A Spirit*16150Tu-160 (Blackjack)*13156SUBTOTAL6050075838Nonstrategic (short-range) forces
NameNo.WarheadsNameNo.WarheadsTomahawk* cruise missile32510053T6 (Gazelle)6868B61 bombs400SA-10 (Grumble)1,900630Bombers/fighters524650Subs/Ships/Air700SUBTOTAL3255001,4922,000TOTAL1,1232,7022,0424,600Source: Bulletin of the Atomic Scientists Note: Names in brackets are those used by Nato. Those names with an "" next to them are pictured.
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