| Designation | Nickname | Primary role |
|---|---|---|
| A-2 |   | U.S. Air Force Ambulance (1919-1924) |
| A-7 |   | U.S. Air Force Attack (1926-1947) |
| B-8 |   | U.S. Air Force Bomber (1924- Present) |
| C-7 |   | U.S. Air Force Transport (1925-1962) |
| LB-2 |   | U.S. Air Force Light Bomber (1925-1932) |