The Department of Defense service vice chiefs listen to opening remarks before testifying to the Senate Armed Services Committee about joint force readiness, on Capitol Hill in Washington, D.C., March 12, 2025. From left are Army Vice Chief of Staff Gen. James Mingus, Vice Chief of Naval Operations Adm. James Kilby, Assistant Commandant of the Marine Corps Gen. Christopher Mahoney, Vice Chief of Space Operations Gen. Michael Guetlein, Air Force Deputy Chief of Staff for Operations Lt. Gen. Adrian Spain and Diana Maurer, director of defense capabilities and management for the Government Accountability Office. (U.S. Air Force photo by Eric Dietrich)