Chain Gun Drill Marines fire a light armored vehicle chain gun during a drill aboard the amphibious assault ship USS Wasp in the Pacific Ocean, Aug. 7, 2019. SHARE: Download: Full Size (2.76 MB) Tags: Marine Corps, Indo-Pacific Credit: Navy Petty Officer 1st Class Jeremy Starr VIRIN: 190807-N-BK435-0400A.JPG Photo Gallery