Female recruits from U.S. Marine Corps Recruit Depot San Diego, Lima Company, participate in the grueling crucible training as they break a barrier to become the first ever women Marines trained at Camp Pendleton.

A female recruit from U.S. Marine Corps Recruit Depot San Diego participates in the grueling crucible training as her platoon breaks a barrier becoming the first ever women Marines trained at Camp Pendleton, Calif., April 21, 2021.

Mike Blake/Reuters