USAF button, approved for wear in 1987.
CAP button, required wear on male and female service coats, 1967-87. Also worn on the cadet shoulder boards.
"Hap Arnold" USAF button, authorized in 1995 and current wear.
First style of CAP button, released in 1942. Cadets were officially authorized to wear service coats in 1949. This button was worn on male and female coats and the WAF blouse until 1967. This style button was also worn on the cadet shoulder boards introduced in 1964.