This bill states that it is the policy of the United States to: (1) maintain a modernized nuclear capability that provides for effective deterrence against peer, near-peer, and regional adversaries, consistent with the national security interests of the United States; (2) extend the nuclear deterrent of the United States to deter aggression against close allies of the United States, including members of the North Atlantic Treaty Organization (NATO); and (3) ensure the highest levels of reliability, credibility, safety, and security for all nuclear weapons of the United States, including those forward-deployed in support of NATO. The Department of Defense shall provide Congress, upon request, a briefing regarding the current status of, and future plans for, the extended nuclear deterrence posture of the United States in support of NATO.