F-16 Block 20 Fighting Falcon

The F-16 Fighting Falcon (commonly called "Viper") was manufactured by General Dynamics from 1974 to 1993, Lockheed Corporation from 1993 to 1995, and since 1995, it has been manufactured by Lockheed Martin. The F-16 variants, along with major modification programs and derivative designs significantly influenced by the F-16, are detailed below.