ATLANTIC OCEAN (May 23, 2021) Master-at-Arms Seaman Antonio Jones, left, from Jacksonville, Florida, fires an M240B machine gun while Master-at-Arms 2nd Class Brandon Halbach, from Broken Arrow, Oklahoma, acts as safety observer during a live fire exercise on the fantail of the Nimitz-class aircraft carrier USS Harry S. Truman (CVN 75) during sea trials after completing an extended carrier incremental availability. Sea trials include a comprehensive test of the ship's systems and technologies in order to ensure the ship is ready to resume operations. (U.S. Navy photo by Mass Communication Specialist Seaman Miles McDonough)