Air Force Gen. Paul J. Selva, vice chairman of the Joint Chiefs of Staff, delivers a keynote speech during the Strategic Deterrent Coalition’s 2019 symposium in Arlington, Va., April 25, 2019. The Strategic Deterrent Coalition is a nonprofit, nonpartisan, community-based organization formed to support the nuclear triad by providing educational information on the importance of maintaining a safe, secure and effective nuclear deterrent. DOD photo by Army Sgt. James K. McCann