NAVYInsignia galleryNorth AmericaUnited States of America (1866 since)NAVYNaval Reserve Officer Training Corps - NROTC (2009 since)United States Coast Guard - USCGUnited States Coast Guard - USCG [shoulder insignia]United States Coast Guard - USCG [sleeve insignia]United States Coast Guard Auxiliary - USCGAUnited States Marine BandUnited States Marine Corps - USMC (1946-1949)United States Marine Corps - USMC (1949-1954)United States Marine Corps - USMC (1954-1959)United States Marine Corps - USMC (1960 since)United States Naval Academy - USNA [pin-on metal insignia]United States Naval Academy - USNA [shoulder insignia]United States Naval Academy - USNA [sleeve insignia]United States Naval Sea Cadet Corps - USNSCCUnited States Navy - USN (1913-1917) line personnel [shoulder straps]United States Navy - USN (1913-1918) line personnel [sleeve and collar Insignia]United States Navy - USN (1917-1919) line personnel [shoulder straps]United States Navy - USN (1960 since)