U.S. Marines with H&S Company, 1st Battalion, 24th Marine Regiment, 4th Marine Division, Marine Forces Reserve, are shown by instructors on how to rappel down a cliff during a training class at Marine Corps Mountain Warfare Training Center, Bridgeport, Calif., July 22, 2022, for Mountain Training Exercise 4-22. MTX 4-22 prepares Marines for the challenges of operating in a harsh, mountainous environment many of their adversaries are acclimated to. (U.S. Marine Corps photo by Cpl. Jonathan L. Gonzalez)