* Swim 300 yards continuously demonstrating breath control and rhythmic breathing. Candidates may swim using the front crawl, breaststroke or a combination of both but swimming on the back or side is not allowed. Swim goggles may be used.
* Tread water for 2 minutes using only the legs with hands positioned under the armpits.
* Complete a timed event within 1 minute, 40 seconds: Starting in the water, swim 20 yards, surface dive and retrieve a 10 pound brick in 7-10 feet of water and return to starting point holding the brick with both hands while keeping your face above the water and exit the water without using a ladder or steps. Swim goggles are not allowed.