When learning the military swimming, treading and swim/dive skills used by special ops, divers, and rescue swimmers alike, you must first have a solid foundation in water competency techniques. Yes, ...

Lance Cpl. Amber Martinez executes a ‘side stroke’ during the testing portion of the Advanced Swim Qualification Course at Ramer Hall, Quantico, Virginia, April 11, 2014. (Cpl. Christina O'Neil/U.S.

Single-arm drills are the best way to focus on every phase of the stroke, including the pull. The non-swimming arm should be kept at your side to allow and promote torso rotation while performing the ...