160513-N-TC720-201 MEDITERRANEAN SEA Chief Gunner's Mate Alvin Johnson, from Lubbock, Texas, instructs Midshipman Gordon Kielsling on loading the M240 Machine Gun aboard USS Donald Cook May 13, 2016. Donald Cook, an Arleigh Burke-class guided-missile destroyer, forward deployed to Rota, Spain is conducting a routine patrol in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe.
<br>Unit: Navy Media Content Services
May 13, 2016
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