<p>Marine Joseph Burk fires at his target on the move during a short-range marksmanship qualification course aboard the USS Rushmore at sea in the Indian Ocean, June 18, 2015. Burk is a team leader with Kilo Company, Battalion Landing Team 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit. The marksmanship course improves Marine’s combat shooting tactics and prepares them for future operations while deployed with the 15th MEU. 
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(U.S. Marine Corps photo by Sgt. Emmanuel Ramos/Released)
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