F-106 Delta Dart

The Convair F-106 Delta Dart was a U.S. Air Force all-weather interceptor developed from the F-102 Delta Dagger but extensively redesigned. The National Museum of the U.S. Air Force states that the first F-106A flew on 26 December 1956, deliveries began in July 1959, and production ended after 277 F-106A and 63 F-106B aircraft. Its mission was homeland air defense against bomber threats, making it the last specialist interceptor used by the USAF.

F-106's defining feature was not just speed, but automation. The USAF museum notes that the Hughes MA-1 electronic guidance and fire-control system could control the aircraft after takeoff, position it for attack, fire Genie and Falcon missiles, break off, and return near base before the pilot landed. The museum lists an AIR-2A Genie nuclear air-to-air missile plus four AIM-4 Falcon missiles as armament. This automation reflected Cold War assumptions about rapid bomber interception under centralized air-defense control.

Operationally, the Delta Dart served through much of the Cold War with Air Defense Command and later Air National Guard units. Its narrow specialization made sense when the main threat was massed bomber attack, but changing air combat requirements favored multi-role fighters. Some retired aircraft later became QF-106 drone targets. The type's legacy is therefore tied to a specific period of North American air-defense doctrine: high-speed interception, nuclear-tipped air-to-air weapons, and ground-controlled automation.