Over a decade ago, the U.S. Coast Guard rescued three men in the Gulf of Mexico who had been fishing for grouper when their boat capsized. In order to survive, they had to tread water for 18 hours.

Learning to tread water is not easy. Many candidates struggle with treading in military training programs that involve water competency, diving and life-saving duties. The unfortunate reason is that ...

If you are considering entering a military diving or rescue swimming program, you will spend significant time treading water with weight as part of your training and selection process. "Pool time" ...