(The Center Square) – The U.S. completed its first of a new type of nuclear gravity bomb almost a year ahead of schedule.
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The official star stamp on the first B61-13 unit, Amarillo, Texas in May 19. (NNSA via SWNS)
Secretary of Energy Chris Wright stamps the first B61-13 unit in Amarillo, Texas on May 19. (NNSA via SWNS)
Leaders from across the Nuclear Security Enterprise join Secretary Wright (third from left) to celebrate the completion of the first B61-13 un…
