Mountain Marines Marines rappel down a cliff during Mountain Exercise at Marine Corps Mountain Warfare Training Center in Bridgeport, Calif., Sept. 18, 2022. The exercise is designed to prepare units to survive and operate effectively in austere, mountainous terrain. SHARE: Download: Full Size (1.73 MB) Tags: Mountain Exercise, Exercises, Marine Corps Credit: Marine Corps Cpl. Jonathan Forrest VIRIN: 220918-M-PG366-1124M.JPG Photo Gallery