motto, you want to be special, prove it. >> reporter: proving it means, surviving a training program so long, and so tough that most don't make it. they call it -- >> basic underwater s.e.a.l. school. it all starts there. my class started around 126 or 130 and graduated 22 to 25. >> hu-ya! >> every day begins with physical training, miles of swimming, running, hundreds of situps, pushups, all before the day's real work begins. even more important, than preparing the body is preparing the mind. case and point, an exercise called drown proofing. >> candidates hands are tied