US SB192

Prohibits federal funds from being used to conduct a first-use nuclear strike unless Congress has declared war and expressly authorized such strike

Defines "first-use nuclear strike" as a nuclear attack conducted without the Secretary of Defense and Chairman of the Joint Chiefs of Staff first confirming a nuclear strike has occurred against the U.S., its territories, or allies

Establishes U.S. policy that no first-use nuclear strike should occur absent a congressional declaration of war

Asserts that Congress's constitutional power to declare war must provide checks and balances on the President's sole authority to authorize nuclear weapons use

Introduced January 22, 2025 by Senator Markey with 6 Democratic cosponsors; referred to Senate Committee on Foreign Relations