Firing a .50-Caliber Machine Gun Navy Petty Officer 1st Class Antonio Dita fires a .50-caliber machine gun aboard a Mark VI patrol boat during a final evaluation for a problem exercise off the coast of San Diego, May 22, 2018. Dita is an enginemen assigned to Coastal Riverine Squadron 3. Navy photo by Chief Petty Officer Nelson Doromal Jr. SHARE: Download: Full Size (1.39 MB) Tags: northcom, northern command, sailors, training, navy Credit: Chief Petty Officer Nelson Doromal Jr. VIRIN: 180522-N-NT795-019A.JPG Photo Gallery