SAN DIEGO (April 21, 2023) Gunner’s Mate First Class Morgan Nguyen, from Wichita, Kansas, teaches Mass Communication Specialist 3rd Class Austyn M. Riley, from Parker, Colorado, how to operate an M240B light machine gun during a weapons familiarization training aboard amphibious assault carrier USS Tripoli (LHA 7) during the ship’s maintenance availability April 21. Tripoli is an America-class amphibious assault ship homeported in San Diego. (U.S. Navy photo by Mass Communication Specialist 1st Class Danian C. Douglas)