Marine Corps Mountain Warfare Training Center Bridgeport, CA – Seaman Roy Wells, a hospital corpsman with India Company, 3rd Battalion, 5th Marine Regiment, 1st Marine Division, holds position during a hike during Mountain Training Exercise 4-18 aboard Mountain Warfare Training Center Bridgeport, Calif., July 30, 2018. MWTC Bridgeport provides units a unique training experience by allowing the Marines to train in a mountainous environment and at high altitudes. - Marine Corps Mountain Warfare Training Center Bridgeport, CA – Seaman Roy Wells, a hospital corpsman with India Company, 3rd Battalion, 5th Marine Regiment, 1st Marine Division, holds position during a hike during Mountain Training Exercise 4-18 aboard Mountain Warfare Training Center Bridgeport, Calif., July 30, 2018. MWTC Bridgeport provides units a unique training experience by allowing the Marines to train in a mountainous environment and at high altitudes.