This year, the National Nuclear Security Administration (NNSA) will finish an integrated master schedule for building a new plutonium pit manufacturing complex and this summer it will quantify delays to the W80-4 nuclear cruise missile warhead, the head of the agency told Senators Thursday. “We ...

It will take all summer to finalize a plan aimed at hastening construction of a key nuclear-weapon-component factory that has fallen behind schedule in South Carolina, a Pentagon official said Tuesday in a congressional hearing. It is nearly the end of the annual budget-hearing season in Washington, ...

A new facility for manufacturing nuclear-weapon secondary stages will not be completed until August 2026: eight months later than expected, the head of the National Nuclear Security Administration (NNSA) told Senators Wednesday in a hearing. Bechtel National, under contract to the Bechtel-led site ...

In a blow to Fluor [FLR] and Amentum, the National Nuclear Security Administration (NNSA) said Monday it canceled a potentially 10-year, $28 billion contract for a joint venture of the two companies to manage the agency’s main nuclear-weapon production sites. The semiautonomous Department of ...

Faulty missile tubes that earlier consumed months of schedule margin on the next-generation U.S. nuclear-armed, ballistic missile submarines are not pacing the schedule for the boats anymore, the admiral in charge of the U.S. program said Thursday. “I retain margin on missile tubes,” Read Adm. ...

The House Appropriations subcommittee in charge of writing the first draft of the Department of Energy’s annual budget called off a Wednesday hearing with the agency’s top nuclear weapons and waste leaders minutes into the proceedings. The hearing got no further than opening statements and a ...