Electronics Technician 2nd Class Chad Kostner, an instructor at Surface Rescue Swimmer School, counsels a student during underwater swim drills. The students are participating in a four-week course where instructors teach various rescue techniques and swimming exercises. ( Navy photo by Mass Communications Specialist Seaman Christopher Pratt/Released) Surface Rescue Swimmer School 130409-N-GH245-189

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Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
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