What is the O-2 rank in the Marine Corps?

In the Marine Corps, the O-2 rank is designated as First Lieutenant. This rank follows the O-1 rank of Second Lieutenant, which is the initial officer rank in the Marine Corps. A First Lieutenant typically serves in various roles, depending on the needs of their unit and the specific job they hold. They often have additional responsibilities and leadership roles compared to Second Lieutenants, who are still acclimating to their duties as officers.

The other ranks mentioned in the choices hold different statuses: Second Lieutenant is the O-1 rank, Captain is O-3, and Major is O-4. Understanding the ranking structure within the Marine Corps is crucial for recognizing the progression of leadership and responsibilities in military operations.