BRIDGEPORT, Calif. (April 17, 2021) U.S. Marines and Sailors with 2nd Battalion, 5th Marine Regiment, carry a casualty towards a UH-60 Blackhawk helicopter with the Oregon Army National Guard’s G/1-189 Aviation (MEDVAC), during Mountain Warfare Training Exercise (MTX), a sub event of Service Level Training Exercise 3-21 at Mountain Warfare Training Command, Bridgeport, California, on April 17, 2021. The purpose of MTX is to teach Marines to survive and operate in extreme weather and mountainous environments. (U.S. Marine Corps photo by Lance Cpl. Andrew Bray)