The W89 was an American thermonuclear warhead design intended for use on the AGM-131 SRAM II air to ground nuclear missile and the UUM-125 Sea Lance anti-submarine...

The solid-fueled missile was to be dropped from a B-1B Lancer, carry the W89 warhead and have a range of 400 km. However, the program was canceled by...

American standoff anti-submarine missile, initially intended to carry a W89 thermonuclear warhead. It was conceived in 1980 as a successor to both the...

tested but never deployed W89 design. This warhead had been proposed as a W88 warhead replacement as early as 1991. The W89 design was already equipped...

variable yield weapon. The B90 was cancelled in September 1991 along with the W89 and W91 nuclear warheads and AGM-131 SRAM II and SRAM-T missile models. No...

and some variable-yield warheads serve in both roles. For example, the W89 200 kiloton warhead was intended to arm both the tactical Sea Lance anti-submarine...

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in 1993. The weapon was to be replaced by the AGM-131 SRAM II and the new W89 warhead, but the program was terminated at the end of the Cold War. The Air...

(cancelled) W44 for RUR-5 ASROC (1961–1989) W55 for UUM-44 SUBROC (1964–1989) W89 for UUM-125 Sea Lance (cancelled) Underwater explosion Shock factor Nuclear...

authorized. In 1982 the contract was awarded to Boeing. The system and its W89 warhead were cancelled in 1990 at the end of the Cold War. RUR-5 ASROC RUM-139...