U.S. Marines with H&S Company, 1st Battalion, 24th Marine Regiment, 4th Marine Division, Marine Forces Reserve, are taught by instructors on rappelling across a ravine 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 allowed reserve Marines to participate in mountain warfare operations for realistic combat training in order to facilitate increased readiness for the Marine Forces Reserve. (U.S. Marine Corps photo by Cpl. Jonathan L. Gonzalez)