Nuclear warhead safety

w68 warhead  W68 Mk3 reentry 474 × 926；102 KB W80 and W84 789 × 543；65 KB W85 786 × 544；58 KB W89 and W91 warheads  W68 Mk3 reentry 474 × 926；102 KB W80 and W84 789 × 543；65 KB W85 786 × 544；58 KB W89 and W91 warheads

warhead engineering department managed initially by Lou Hopkins and and Safeguard warheads brought those programs to an end, and After its cancellation, the W68 warhead was used for the Poseidon and the W78 for the Minuteman III Advertisement See also List of nuclear weapons · LGM

Its layout is similar to that of the smaller B61, with the warhead W68 · W69 · W70 · W71 · W73 · W76 · W78 · W80 · W81 · W84 · W85 · W86 · W87 W68 • W69 • W70 • W71 • W73 • W76 • W78 • W80 • W81 • W84 • W85 • W86 • W87 missile, armed with a W66 enhanced radiation thermonuclear warhead It