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Posted 5/29/2007 Printable Fact Sheet
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Northrop F-89J
DAYTON, Ohio -- Northrop F-89J Scorpion at the National Museum of the United States Air Force. (U.S. Air Force photo)
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Northrop designed the F-89 as an all-weather fighter-interceptor for the Air Defense Command. With the radar operator in the rear seat guiding the pilot, the F-89 could locate, intercept and destroy enemy aircraft by day or night under all types of weather conditions. The first F-89 made its initial flight in August 1948 and deliveries to the Air Force began in July 1950. Northrop produced a total of 1,050 F-89s for the Air Force.

On July 19, 1957, an F-89J (a modified F-89D) fired a Genie test rocket with a nuclear warhead, and it detonated over a Nevada test range. It marked the first launch of an air-to-air rocket with a nuclear warhead. Northrop converted 350 F-89Ds to J models, Air Defense Command's first fighter-interceptor to carry nuclear armament. Powered by two Allison J35 engines, each capable of producing 7,200 pounds thrust with afterburner, the F-89J had a cruising speed of 465 mph.

The Maine Air National Guard transferred  the Scorpion on display (S/N 52-1911) to the museum from  in July 1969. This aircraft was the last F-89 in service with an operational unit. It is painted to represent an F-89J (S/N 53-2509) assigned to the 449th Fighter Interceptor Squadron in the late 1950s. Based at Ladd Air Force Base, near Fairbanks, Alaska, it carries insignia red arctic markings.

Armament: Two AIR-2A Genie air-to-air rockets with nuclear warheads plus four AIM-4C Falcon missiles
Engines: Two Allison J35s of 7,200 lbs. thrust each (with afterburner)
Maximum speed: 627 mph
Cruising speed: 465 mph
Range: 1,600 miles
Ceiling: 45,000 ft.
Span: 59 ft. 10 in.
Length: 53 ft. 8 in.
Height: 17 ft. 6 in.
Weight: 47,700 lbs. maximum

Click here to learn more about the Northrop F-89.

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