U.S. Navy Seaman Xu Guo, a medical logistics specialist

U.S. Navy Seaman Xu Guo, a medical logistics specialist with 3rd Marine Logistics Group, 3rd Supply Battalion, places a piece of trash into a plastic bag for disposal during a base cleanup on Camp Kinser, Okinawa, Japan, Jan. 23, 2021. The Single Marine Program hosts weekly base cleanups to give service members the opportunity to maintain cleanliness on and off base, and to help strengthen the U.S.-Japan alliance. Guo is a native of Los Angeles, California. (U.S. Marine Corps photo by Lance Cpl. Alex Fairchild)