INDIAN OCEAN (Dec. 20, 2020) Marine Corps Lance Cpl. Pedro Manzanarescastillo, a rifleman with Alpha Company, Battalion Landing Team 1/4, 15th Marine Expeditionary Unit, makes adjustments to his night vision goggles during a quick reaction force drill aboard the amphibious transport dock ship USS San Diego (LPD 22). The Makin Island Amphibious Ready Group and the 15th MEU are conducting operations in the U.S. 6th Fleet area of responsibility. (U.S. Marine Corps photo by Sgt. Desiree King)