. "Total yield"@en . "RDS-4"@en . "RDS-4 (also known as Tatyana) was a Soviet nuclear bomb. It was the Soviet Union's first mass-produced tactical nuclear weapon. It used a plutonium implosion assembly and had a nominal yield of 30 kilotons. The bomb was delivered from a Tu-4 and Tu-16 aircraft. It was first tested at Semipalatinsk Test Site, on August 23, 1953. The bomb was dropped from an IL-28 aircraft at an altitude of 11 km and exploded at 600 m, with a yield of 28 kt."@en . . "USSR"@en . . . . "August 1953"@en . . "RDS-4"@en . "-6.0"^^ . . "RDS-5"@en . . . . "Fission"@en . "1"^^ . . . "RDS-4 (also known as Tatyana) was a Soviet nuclear bomb. It was the Soviet Union's first mass-produced tactical nuclear weapon. It used a plutonium implosion assembly and had a nominal yield of 30 kilotons. The bomb was delivered from a Tu-4 and Tu-16 aircraft. It was first tested at Semipalatinsk Test Site, on August 23, 1953. The bomb was dropped from an IL-28 aircraft at an altitude of 11 km and exploded at 600 m, with a yield of 28 kt."@en .