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

The U.S. Department of Energy’s National Nuclear Security Administration has completed assembly of the first B61-13 nuclear ...

The first unit of the B61-13 nuclear weapon was unveiled Monday in Amarillo, Texas, by U.S. Secretary of Energy Chris Wright, ...

Pantex has completed the first B61-13 nuclear bomb unit just months after the B61-12’s finale, marking a major step in U.S.

The weapon "will provide the President with additional nuclear options against certain harder and large-area military targets ...

Unlike other members of the B61 family of nuclear bombs that can be carried by fighters and bombers, the B61-13 will be ...

Within months of the Cuban Missile Crisis, weapons designers at Los Alamos National Laboratory began engineering what would ...