In some U.S. military and government organizations, commander is an officer pay grade that is also sometimes used as a military billet titleāthe designation of someone who manages living quarters or a
U.S. Navy commander Ann Claire Phillips, first commanding officer of USS Mustin, in 2003
In the United States Navy, United States Coast Guard, United States Public Health Service Commissioned Corps, and National Oceanic and Atmospheric Administration Commissioned Officer Corps, captain is
U.S. Coast Guard Captain Jessica Rozzi-Ochs of USCGC Eagle, left, and U.S. Navy Commander Billie J. Farrell of USS Constitution, right, were the first female commanding officers of their respective ships.