Officers are leaders of Marines. Learn about the responsibility, training and journey of the Marine Officer.
Your path to becoming a Marine Officer begins with The Officer Selection Officer (OSO). Hear more about the role of the OSO in identifying officer candidates.
There are several ways to earn the commission to lead Marines. Learn about the programs available to those who qualify.
OCS is a tough proving ground. See footage of candidates earning the rank of second lieutenant.
After earning their commission, new officers are assigned to TBS to further develop leadership skills. Interact with the TBS curriculum.
After The Basic School, officers take courses to develop expertise in their assigned Military Occupational Specialty (MOS). Learn where and how each MOS trains.