Paratroopers train with Marines in California
Paratroopers assigned to Able Company, 3rd Battalion (Airborne), 509th Infantry execute high-altitude mountain mobility operations at the Marine Corps Mountain Warfare Training Center, Bridgeport, Calif., Jan 26, 2015. The joint training opportunity is part of U.S. Army Alaska’s initiative to enhance partnered high-altitude cold regions training. (Photo by Sgt. Sean Callahan, USARAK Public Affairs)