Designation | Nickname | Primary role |
---|---|---|
F-11 |   | U.S. Air Force Photographic (1930-1947) |
H-55 | Osage  | U.S. Air Force Helicopter (1948- Present) |
HO-2 | Aerocycle  | U.S. Air Force Helicopter, Observation (1956-1962) |
V-9 |   | U.S. Air Force V/STOL (1956- Present) |