Captain (United States O-6)
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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.
Navy submarine captain Michael Bernacchi, serving as a chief of staff to a flag officer
Surface warfare insignia
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The surface warfare insignia is a military badge of the United States Navy which is issued to U.S. Navy personnel who are trained and qualified to perform duties aboard United States surface warships.
Dental corps officer insignia
Cutterman insignia – officer
Cutterman insignia – enlisted