U.S. Marine Lance Cpl Ethan Anderson, a rifle Marine with the 22nd Marine Expeditionary Unit fires an M4A1 assault carbine during a live-fire squad assault range aboard Sierra de Retín, Spain.
The 22nd MEU and the Kearsarge Amphibious Ready Group are making a scheduled deployment in support of maritime security operations, crisis response and theater security cooperation, while also providing a forward Naval and Marine presence. (U.S. Marine Corps photo by Staff Sgt. Andrew Ochoa/Released). Original public domain image from Flickr