Marine Corps 1st Sgt. Thomas W. Tabisz lifts himself out of a muddy, water-filled pit during the Endurance Course at Camp Gonsalves, Okinawa, Japan, Feb. 16, 2018. Tabisz is the senior enlisted advisor for Communications Company, Headquarters Regiment, 3rd Marine Logistics Group. Marine Corps photo by Lance Cpl. Jamin M. Powell