Officer candidates from Class 220 recite the Oath Of Office during their commissioning ceremony Nov. 24 at the National Museum of the Marine Corps in Triangle, Va. These new second lieutenants now head to The Basic School. - Officer candidates from Class 220 recite the Oath Of Office during their commissioning ceremony Nov. 24 at the National Museum of the Marine Corps in Triangle, Va. These new second lieutenants now head to The Basic School.