Live Fire Marines fire M240B machine guns during a live-fire exercise on the flight deck of the amphibious transport dock ship USS Arlington at sea, May 3, 2019. SHARE IMAGE: Download Image: Small (0 KB)| Medium (153.6 KB)| Full Size (1.32 MB) Tags: Marine Corps Photo By: Navy Petty Officer 2nd Class Brandon Parker VIRIN: 190503-N-HG389-0061C.JPG Photo Gallery