This is a technique video on swimming about 40m underwater in the pool.
TFR 214 - Talking BUDS Prep with Joe Kauffman (BUDS Instructor)
Former Navy SEALs Stew Smith https://www.stewsmithfitness.com and Joe Kauffman (https://www.thewarriorcalling.com) discuss going into the coaching business after military service along with many stories of Joe's individual journey to and through and after BUDS and his service in the Navy as a Navy SEAL and BUD/S Instructor.
Check out https://TheWarriorCalling.com and the Instagram with the same name https://www.instagram.com/thewarriorcall for more about his training and coaching programs for both spec ops candidates and civilians alike who have a goal and want to push hard to reach that goal. Check out other videos of combat swimmer stroke, workouts, and other spec ops related training.
See http://www.stewsmithfitness.com for more information about military, law enforcement, special ops, fire fighting training programs.