Jim Cooper: “We are doing no new testing. We are not even sure if these other nations... are even complying with the Nuclear Test Ban…”

How has Russia's recent aggression in Ukraine affected the administration's plan to pursue strategic stability dialogue with Russia?

The Soviet Union is gone, but Mr. Putin believes that he has some divine authority to try to reinstate it.

I would have liked to see the Administration participating in today's hearing

NNSA is undertaking a strategic review of the Office of Defense Nuclear Nonproliferation's mission, organization, scope of efforts, and integration with other parts of NNSA, among other things.