Captain (United States)

Common card · No. 388758

In the uniformed services of the United States, captain is a commissioned-officer rank. In keeping with the traditions of the militaries of most nations, the rank varies between the services, being a senior rank in the naval services (O-6) and a junior rank in the ground and air forces (O-3). Many fire departments and police departments in the United States also use the rank of captain as an officer in a specific unit.

Read on Wikipedia