"I was a Marine combat instructor, water survival. So I was a swim instructor, basically for the Marine Corps," he says. "We get kids from all over the planet that have never the largest body of water they've ever seen is the pool tank at Paris Island, South Carolina." The recruits are stripped down to their PT shorts and we teach them how to swim - it's a life skill,. You know what I mean? We just want to see if they're going to step, if they can overcome fear, you know, if an individual can't overcome the fear or trust?"