A reconnaissance Marine with 4th Reconnaissance Battalion,

A reconnaissance Marine with 4th Reconnaissance Battalion, 4th Marine Division, watches to make sure a Marine safely rappels down a cliff side, during Mountain Exercise 3-18, at Mountain Warfare Training Center, Bridgeport, Calif., June 20, 2018. After completing Integrated Training Exercise 4-17 last year, 4th Reconnaissance Battalion took part in MTX 3-18 to further develop small-unit leadership and build an understanding of the different climates and scenarios they could face in the future. (U.S. Marine Corps photo by Cpl. Dallas Johnson)