| Role | Heavy fighter |
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| National origin | United States |
| Manufacturer | Lockheed |
| Designer | Clarence "Kelly" Johnson |
| First flight | 27 January 1939 |
| Introduction | July 1941 |
| Retired | 1949 (United States
Air Force) 1965 (Honduran Air Force) |
| Number built | 10,037 |
| Unit cost |
US$97,147 in 1944
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