The Scorpion was developed from 1946 as replacement for the Northrop P-61 Black Widow in the night and all weather fighter roles. the XF-89 prototype first flew in August 1948, and its adequate performance was reflected in an order for 48 F-89A The F-89 series was replaced from 1957 by the Convair F-102, and passed to reserve service until retirement in 1959. This photograph reveals an F-89D ripple firing its complement of 104 air to air rockets carried on two wing tip pods.

Description	Specifications
Manufacturer: Northrop	Length: 53 ft. 10 in.
First Flight: August 1948	Height: 17 ft. 7 in.
Model: D	Wing Span: 59 ft. 8 in.
Crew: Two	Wing Area: 562.0 sq. ft.
Nickname: Scorpion	Empty Weight: 25,194 lb.
Basic Role: All weather interceptor.	Max. Weight: 42,241 lb.
Other Versions: F-89A initial model with APG-33 radar and 6,800-lb reheated thrust J35-A-21As. F-89B autopilot and instrument landing system. F-89C 7,400-lb reheated thrust J35-A-33As. F-89D more power and revised armament. F-89H missile armament. F-89J provision for nuclear tipped air to air rockets.	Armament: One hundred and four 2.75-in 70-mm air to air rockets.
Principal User: USA	Propulsion
Performance	Power Plant: Allison J35-A-33A.35/41/47 turbojets
Range: 1,370 miles.	Horsepower: 7,200-lb reheated thrust.
Max. Speed: 636 mph. at 10,600 ft.	No. Of Engines: Two
Ceiling: 49,200 ft.
Climb Rate: 8,360 ft. per minute.