SLBM W88, 1989, Alt 370. Refresh, 2022, FBW, ~2035–2040, ~45–50 yrs.

* Non-strategic bomb ** Strategic Bomb 1 Life extension programs (LEP) reuse nuclear .... ... warheads significantly more damaging than previous weapons.

Advertisement. The W88 Alt 370 arming, fuzing and firing assembly. (National .... The planned upgrade of the nuclear warhead on some US Navy sub-launched missiles has been delayed for 18 months by unacceptable reliability of some components..

The W88 Alt 370 program is an update of the W88 warhead design, which was first deployed in 1988 and is currently deployed on Ohio-class submarines.. This includes production of the gas transfer system and the arming, fuzing, and firing subsystem of the W88 Alt 370 warhead for the Trident II ....