| MB-3 | |
|---|---|
 MB-3 of 94th Pursuit Squadron, 1st Pursuit Group, Selfridge Field, Michigan | |
| General information | |
| Type | Fighter |
| Manufacturer | Thomas-Morse Aircraft & Boeing |
| Designer | B. Douglas Thomas[1] |
| Primary users | United States Army Air Service |
| Number built | 265 |
| History | |
| Introduction date | March 1919 |
| First flight | 21 February 1919[1] |
| Retired | 1925 |
| Variants | Thomas-Morse MB-6 Thomas-Morse MB-7 |
The Thomas-Morse MB-3 was an open-cockpit biplane fighter primarily manufactured by the Boeing Company for the U.S. Army Air Service in 1922. The MB-3A was the mainstay fighter for the Air Service between 1922 and 1925.