PORTSMOUTH, Va. (March 18, 2021) Airman Brandon Underwood, from Muskugee, Oklahoma, communicates via sound-powered phone during a weapons elevator operation test aboard the Nimitz-class aircraft carrier USS Harry S. Truman (CVN 75). Harry S. Truman is currently in Norfolk Naval Shipyard for its Extended Carrier Incremental Availability (ECIA) period. (U.S. Navy photo by Mass Communication Specialist Seaman Tyler Cardoza)