Recruit: Aye, aye, sir! Aye, aye, sir! Aye, aye, sir! Aye, aye, sir! Narrator: This is Marine Corps boot camp in Parris Island, South Carolina. Before they become United States Marines ...

Narrator: These Marine recruits are training on the rappel tower at the Marine Corps Recruit Depot in Parris Island ... Rappel tower happens on day 25 of boot camp, a particularly busy day ...

Narrator: This is Marine Corps boot camp in Parris Island, South Carolina ... The day before graduation, friends and family see their new Marines for the first time in more than three months.