Currently there are two former Air Force helicopter pilots who have gone where no other Air Force helicopter pilots have gone before. One has done so three times. These individuals are now recognized as Astronauts.
Frederick D. Gregory (Colonel, USAF)
STS-51B (April 29 -May 6, 1985)
STS-33 (November 22-27,1989)
STS-44 (November 24-December 1, 1991)
Benjamin Alvin Drew, JR. Colonel, USAF)
STS-118 (August 8-21, 2007)
STS-133 (February 24-March 9, 2011)