Students of the Ramstein Aquatic Center Lifeguard Course swim as a prerequisite to the course July 11, 2016, at Ramstein Air Base, Germany. The students had to be able to swim 300 meters, tread water without using their arms for two minutes and retrieve a 10-pound brick from the bottom of the pool in order to move on in the lifeguard course. ( Air Force photo/Airman 1st Class Tryphena Mayhugh)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: .., 1st, a1c, air, airman, aquatic, base, center, class, force, lifeguard, mayhugh, rab, ramstein, rasmtein, tryphena, usaf