US has completed production of its new B61-13 nuclear bomb nearly a year ahead of schedule Designed for advanced jets and the B-21 bomber, it marks the sixth upgrade of the B61 series since 1968 #US
US has completed production of its new B61-13 nuclear bomb nearly a year ahead of schedule
Designed for advanced jets and the B-21 bomber, it marks the sixth upgrade of the B61 series since 1968
#US
