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ATLANTIC OCEAN (Feb. 17, 2018) An M240B machine gun shoots tracer rounds at a target during a live fire exercise aboard guided-missile destroyer USS Arleigh Burke (DDG 51). Arleigh Burke is underway as part of the Harry S. Truman Strike Group (HSTSG) composite training unit exercise (COMPTUEX), which evaluates the strike group's ability as a whole to carry out sustained combat operations from the sea, ultimately certifying the HSTSG for deployment. (U.S. Navy photo by Mass Communication Specialist Seaman Raymond Maddocks/Released)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/127906254@N06">National Museum of the U.S. Navy</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/127906254@N06/26591938838/">180217-N-IC246-0156</a>