A trash pile that was collected by U.S. Marines assigned to Alpha Company, Headquarters and Support Battalion, Marine Corps Installations East-Marine Corps Base Camp Lejeune, is displayed after an Earth Day run on Camp Lejeune, N.C., April 22, 2015. The purpose of the run was to enhance unit cohesion and demonstrate support for environmental protection. (U.S. Marine Corps photo by Sgt. Christopher Q. Stone, MCI-East Combat Camera/Released)