A soldier takes a breather while swimming 25 meters with a ruck sack and a dummy weapon during combat water survival training at Fort Hunter Liggett, Calif., July 17, 2015. A soldier takes a breather while swimming 25 meters with a ruck sack and a dummy weapon during combat water survival training at Fort Hunter Liggett, Calif., July 17, 2015. SHARE: Download: Full Size (1.902272 MB) Tags: Photo Essays Credit: VIRIN: 183409-W-PAV57-485.jpg Photo Gallery