Learn more about the first B61-13 gravity bomb, which the NNSA completed ahead of schedule using decades of data.

(The Center Square) – The U.S. completed its first of a new type of nuclear gravity bomb almost a year ahead of schedule. U.S ...

According to the Federation of American Scientists, the U.S. deploys 400 Minuteman III ICBMs—each carrying a single warhead—in silos located in Colorado, Montana, Nebraska, North Dakota and Wyoming.