Marine Corps officer candidates participate in an obstacle course event, at Officer Candidate School, Quantico, Va., Feb. 1, 2018. Candidates must go through three months of intensive training to evaluate and screen individuals for the leadership, moral, mental, and physical qualities required for commissioning as a Marine Corps officer. ( Marine Corps

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Keywords: 2017, america, armed, canidate, defence, employee, federal, forces, government, military, ocs, officer, school, service, states, united, usa, usmc, usmccomcam, va