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Military Glossary

Becoming a Marine Officer Candidate (02:24)

Marine Officer Selection officers define the leadership potential and qualifications of an officer candidate.

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Department of Defense

Marine Officer Selection officers define the leadership potential and qualifications of an officer candidate. The path to becoming a Marine Officer begins with the Officer Selection Officer (OSO). The OSO‘s duty is to identify those who have the potential to become officer candidates and prepare them for the challenge of becoming a leader.

See All: Officer Training

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Becoming a Marine Officer

Becoming a Marine Officer

Marine officers are committed to serving the Marine Corps and the United States.

  • Marine Corps Reserve, Marine Corps
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Marine Officer Traditions

Marine Officer Traditions

A Marine officer stands holding a Mameluke sword, the oldest weapon still used in service by United States Armed Forces.

  • Marine Corps Reserve, Marine Corps
  • Living
  • Officer

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