U.S. Marine Corps Cpl. Grant J. Waterhouse, a transmissions system operator with 6th Marine Regiment, 2nd Marine Division, crosses a gorge during Mountain Training Exercise 1-21 at the Marine Corps Mountain Warfare Training Center Bridgeport, California, Oct. 20, 2020.

Under the guidance of MCMWTC’s trained mountain leaders, the Marines with Combat Logistics Battalion 2 executed gorge and river crossings, hikes and rappelling, all while building confidence in their ability to operate in a cold weather, high altitude, mountainous environment. (U.S. Marine Corps photo by Cpl. Rachel K. Young-Porter)