“Now, I am become Death, the destroyer of worlds.” ― J. Robert Oppenheimer Specs: Mass 10,800 to 10,900 pounds (4,900 to 4,940 kg) Length 128 in (3,300 mm) Diameter 60 in (1,500 mm) Crew 1x Weaponeer for pit insertion and arming ----------------------------------------------------------------------- Filling Composite uranium and plutonium fissile pits Detonation mechanism focused high explosive implosion Blast yield 1, 3.5, 8, 14, 21, 22, 31 kt (4.2, 14.6, 33.5, 58.6, 87.9, 92.0, 129.7 TJ), depending on construction and/or pit Wikipedia Article: https://en.wikipedia.org/wiki/Mark_4_nuclear_bomb