COMBAT GUNNER U.S. Navy Petty Officer 3rd Class Bobby Heimovitz, assigned to Helicopter Sea Combat Squadron 9, USS Harry S. Truman, fires a .50-caliber machine gun at a MK-25 smoke target in the Atlantic Ocean, Sept. 5, 2012. Heimovitz is a naval aircrewman helicopter. The squadron is under way with the aircraft carrier USS Harry S. Truman to support carrier qualifications. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 853338-B-SQM56-773.jpg Photo Gallery