There is currently a lot of talk about nuclear war as conflict escalates between the United States and its NATO allies with Russia over its ongoing war in Ukraine. The Russia-Ukraine war has raged ...

For the basis of comparison ... underground nuclear facilities. The B61’s -11 variant has this deep penetration capability, but is an unguided “dumb bomb”; meanwhile, the proposed B61-13 ...

said the U.S. cannot build more nuclear weapons than Russia and China (and its "gigantic economy") in the decades to come, despite an ongoing $1.7 trillion nuclear arsenal modernization plan.

The warplane-dropped nuclear gravity bomb known as the B61 has been fully modernized with a new precision guidance system, the Energy Department’s National Nuclear Security Administration ...