Soviet nuclear weapons/Related Articles

Weapons
Initially tested in 1948, the first Soviet fission device; 22 KT yield; test called Joe-1 in the West; put into limited deployment 1951 improved version of the Soviet RDS-1 atomic bomb; 38 KT yield First Soviet true fusion device using a Teller-Ulam design rather than Layer Cake (nuclear weapon); 1.6 MT yield at the 22 November 1955 test, reduced from the design yield