US Navy Field Grade officer’s service cap with black cover worn by Capt. Cole Black, POW 06-21-1966 to 02-12-1973.

US Navy Field Grade officer's service cap with black cover worn by Capt. Cole Black, POW 06-21-1966 to 02-12-1973.

US Navy Field Grade officer’s service cap with black cover worn by Capt. Cole Black, POW 06-21-1966 to 02-12-1973.