U.S. Marine Corps drill instructors with the 4th Recruit Training Battalion, Marine Corps Recruit Depot Parris Island, stand at parade rest during the 69th anniversary of women in the Marine Corps, aboard Marine Corps Recruit Depot Parris Island, S.C., Feb. 13, 2012. The drill instructors were the tour guides for the events during celebration. The event was in acknowledgment of 69 years of continuous service by women in the Marine Corps.