Captain (United States O-3)

military rank of the United States ground forces and air forces

In the United States Army (USA), U.S. Marine Corps (USMC), and U.S. Air Force (USAF), captain is a company grade officer rank, with the pay grade of O-3.

It ranks above first lieutenant and below major. It is equivalent to the Rank of Lieutenant in the Navy/Coast Guard officer rank system.

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