U.S Marines with Company G, 1st Battalion, 6th Marine Regiment, 2nd Marine Division, take a break in training, during Mountain Training Exercise (MTX) 2-19, at Marine Corps Mountain Warfare Training Center, Bridgeport, Calif., March 24, 2019. The purpose of MTX is to prepare Marines for harsh weather conditions while enhancing winter warfare skills in cold weather environments. (U.S. Marine Corps photo by Pfc. Christy Yost) - U.S Marines with Company G, 1st Battalion, 6th Marine Regiment, 2nd Marine Division, take a break in training, during Mountain Training Exercise (MTX) 2-19, at Marine Corps Mountain Warfare Training Center, Bridgeport, Calif., March 24, 2019. The purpose of MTX is to prepare Marines for harsh weather conditions while enhancing winter warfare skills in cold weather environments. (U.S. Marine Corps photo by Pfc. Christy Yost)