U.S. Navy Aircrewman 3rd Class Bobby Heimovitz, assigned to Helicopter Sea Combat Squadron (HSC) 9, fires a .50-caliber machine gun at an MK-25 smoke target in the Atlantic Ocean, Sept. 6, 2012.
HSC-9 was under way with the aircraft carrier USS Harry S. Truman (CVN 75) during carrier qualifications. (DoD photo by Mass Communication Specialist 3rd Class Kristina Young, U.S. Navy/Released). Original public domain image from Flickr