INALAHAN, Guam (April 23, 2021) Lt. Cmdr. Andrew Regalado, executive officer at Commander, Submarine Squadron (CSS) 15, from New York City, places trash into a bag on the beach. CSS-15 and Naval Submarine Training Center Pacific, Detachment Guam, joined forces with their sister village, Inalahan, during a volunteer event focused on environmental cleanliness to recognize Earth Day. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kelsey J. Hockenberger)