Drill instructor: Break his ribs! Narrator: Using hand-to-hand combat in an event called the Battle of Belleau Wood. Drill instructor: Do you get nosebleeds a lot? Recruit: No, sir. Narrator ...

Members of a platoon of female U.S. Marine Corps recruits gear up before training in hand-to-hand combat at the Marine Corps Recruit Depot in Parris Island, S.C., in 2023. (Stephen B. Morton/AP ...