Swimming With Weight Marines swim 25 meters with their gear during water survival training at Camp Pendleton, Calif., Dec. 18, 2017. The training simulates Marines weighted with gear while crossing a small body of water. Marine Corps photo by Cpl. Joseph Sorci SHARE: Download: Full Size (1.08 MB) Credit: Lance Cpl. Joseph Sorci VIRIN: 171218-M-YJ760-581D.JPG Photo Gallery