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 ...

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 ...

Drill instructor: Louder ... Aye, aye, sir! Narrator: This is Marine Corps boot camp in Parris Island, South Carolina. Before they become United States Marines, all recruits have to graduate ...