Following is a transcript of the video. Narrator: These are Marine Corps drill instructors conducting a pickup of new recruits in boot camp. But before they get there, it all starts here ...

Marine Corps drill instructors are a national symbol of discipline. But for some, their imposing persona belies a dark ...

charged with molding them into Marines over a 13-week boot camp. Of those 1,300 drill instructors currently training recruits, roughly 15% are women -- and leaders at the depots and the service's ...

drill instructor blows whistle] These recruits are 36 hours away from officially becoming United States Marines ... during their final challenge of boot camp, a 54-hour gauntlet called the ...

"For me, it's just about the experience," he told Marine Corps Times in an interview Wednesday, two days before his boot camp ...