NNSA completes last W88 nuclear warhead unit upgrade

NNSA completes last W88 nuclear warhead unit upgrade

The National Nuclear Security Administration announced today it completed the last production unit of the W88 warhead upgrade. W88 Alteration 370, which is carried onboard Ohio-class submarines, addressed “aging issues” found on the warhead, according to NNSA. The Alt 370 program replaced the arming, fusing and firing assembly; added a lightning arrestor connector; refreshed the conventional high explosives; and replaced limited-life components.…

NNSA completes W88 Alt 370 warhead last production unit, pivots to SLCM-N

(Page 1) The Department of Energy’s National Nuclear Security Administration (NNSA) completed the last production unit of the W88 Alteration 370, a program to