Marines with Echo Company, 4th Reconnaissance Battalion,

Marines with Echo Company, 4th Reconnaissance Battalion, 4th Marine Division sit in on a survival shelters class given by an instructor with Marine Corps Mountain Warfare Training Center during a guided training course aboard MCMWTC, Bridgeport, Calif., July 26, 2020. Marines with 4th Recon are participating in a modified mountain training exercise at MCMWTC to prepare them for the challenges of operating in a harsh, mountainous environment many of their adversaries are acclimated to. (U.S. Marine Corps photo by Sgt. Conner Downey)