stockpile for use in the W78 replacement warhead (W87-1) programme. ... use nuclear weapons first in a conflict, and could use nuclear weapons in.. NNSA estimated in December 2018 that the W87-1 would cost $8.6 billion to $14.8 billion, which could make it the most expensive warhead ....
One W87-1 thermonuclear warhead will have the explosive power of 475 kilotons, the equivalent of 475,000 tons of TNT or roughly twenty times .... LGM-35 Sentinel ; Northrop Grumman · W87 mod 0 thermonuclear warhead (300 kilotons of TNT (1,300 TJ)) W87 mod 1 thermonuclear warhead (unknown yield)..
W87-1 will be a newly manufactured copy of the W78 warhead currently deployed on Minuteman III missiles. The warhead will also include a fresh ....