U.S. Marines with Company E, 2nd Battalion, 6th Marine Regiment, 2nd Marine Division conduct a tactical patrol during Mountain Training Exercise (MTX) 2-19 at Marine Corps Mountain Warfare Training Center, Bridgeport, Calif., March 16, 2019. Marines with Company E work on maneuvering techniques in snowy mountainous terrain. (U.S. Marine Corps photo by Lance Cpl. Tyler M. Solak) Stock Photo