U.S. Marines with 1st Battalion, 24th Marine Regiment, 4th Marine Division, Marine Forces Reserve, hike back to lower base camp after finishing Mountain Training Exercise 4-22 at Marine Corps Mountain Warfare Training Center, Bridgeport, Calif., July 28, 2022. MTX 4-22 offers a unique training experience for reserve Marines to prepare and develop an understanding of traversing a mountainous environment as they maintain their readiness. (U.S. Marine Corps photo by Cpl. Jonathan L. Gonzalez)