Sen. John Kennedy (R-La) last week questioned whether the United States needs to pursue two separate plutonium pit production facilities, signaling potential scrutiny ahead as lawmakers weigh rising nuclear weapons spending against broader defense priorities.

Kennedy chairs the Senate Appropriations Energy and Water Development Subcommittee, and made comments at a hearing featuring testimony from top officials from the National Nuclear Security Administration, including Administrator Brandon Williams. Williams did not get a chance to respond, as Kennedy was giving closing remarks.

Kennedy said it is “clear” additional funding will be required for defense, including the nuclear stockpile, nonproliferation programs and naval reactors. But he cautioned that fiscal constraints — particularly amid uncertainty over future reconciliation legislation — leave little room for inefficiency.

“We don’t have a penny to waste,” Kennedy said, adding Congress must “ask the hard questions,” including whether maintaining two plutonium pit production sites is necessary. The United States is currently pursuing a dual-site strategy to produce pits — the fissile cores of nuclear weapons — split between Los Alamos National Laboratory in New Mexico and the Savannah River Site in South Carolina. 

Kennedy stopped short of opposing the plan outright, emphasizing instead the need for a clearer path forward. “I’m not saying we don’t,” he said of the two-site approach, but argued that lawmakers and program officials must confront practical challenges, particularly workforce shortages.

Kennedy also said many personnel with the technical expertise required for nuclear weapons production could earn significantly higher salaries in the private sector, complicating federal hiring efforts. “Every single one of you can go tomorrow in the private sector and quadruple your salary with stock options,” Kennedy said, asking how the government can attract and retain the necessary workforce.

Despite raising concerns, Kennedy acknowledged the complexity of the issue and the absence of easy answers. “It’s easy to raise questions,” he said. “I admire the hell out of the problem, but I don’t have a solution.”

Kennedy still underscored the stakes, calling nuclear weapons activities the most critical component of the Energy and Water Development budget. “There’s no bigger, more important part of this … than what you guys do,” he said, signaling that the subcommittee’s oversight — and potential funding decisions — will continue to focus heavily on the future of the nuclear enterprise.