Manufacturer of conventional high explosives, Pantex, was assigned to deliver the modernized weapon, termed W88 Alt 370, to the US Navy to be .... The National Nuclear Security Administration said this week it completed the first production unit of a refurbished submarine-launched nuclear warhead.. ...

W88 Alteration (Alt) 370 at the Pantex Plant J. The W88 Alt 370 is a major warhead acquisition program that ensures the future .... The W88 Alt 370 is a crucial part of Nation's strategy for the sea-based leg of the nuclear triad, and a testament to the Enterprise's ability to execute major ....

The NNSA intended to deliver the first production unit of the W88 Alt 370 ... The NNSA now believes it will deliver the last Alt 370 warhead in FY ....