Marine Corps ranks for officers are split into two tiers: officer and general. Commissioned officers do not enlist. They serve indefinitely at the pleasure of the president of the United States.

Marine Corps Logistics Base Barstow, Calif. -- The rank ladder in the Marine Corps is normally a linear path. Every now and then, someone mixes it up and becomes warrant officer or receives a full ...

Commissioned Officers Rank Insignia Company-Grade Officers : O-1 Insignia: Single gold bar Second Lieutenant (Army/Air Force/Marine Corps) or Ensign (Navy/Coast Guard) O-2 Insignia: Single silver ...