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, poses for an environmental portrait with the waste he collected 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. (U.S. Marine Corps photo by Lance Cpl. Alex Fairchild)