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Lockheed XF-90 Long-Range Penetration Fighter Prototype Family

The Lockheed XF-90 was a two-aircraft prototype family developed to meet a United States Air Force requirement for a long-range penetration fighter. The first prototype used two non-afterburning Westinghouse J34 turbojets, while the second was adapted for afterburning J34s; the program ended without production after the Korean War shifted procurement toward existing aircraft.

Lockheed XF-90 Long-Range Penetration Fighter Prototype Family
U.S. Air Force photo, VIRIN 060728-F-1234S-040 · The National Museum of the U.S. Air Force marks this photograph public domain and cleared for release; reuse must comply with DoD visual-information limitations, including trademark and no-endorsement restrictions. Rights evidence: https://www.nationalmuseum.af.mil/Upcoming/Photos/igphoto/2000547208/ · Source
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Identity

Aliases
XF-90Lockheed XF-90Long-range penetration fighter prototype
Family Name
Lockheed XF-90
Full Name
Lockheed XF-90 Long-Range Penetration Fighter Prototype Family
Roles
militaryexperimentalresearch
Status
retired
Type
aircraft

Details

Aircraft Specs
Configuration
fixed_wing
Operating Modes
land
Takeoff Landing Capabilities
conventional
Description
The Lockheed XF-90 was a two-aircraft prototype family developed to meet a United States Air Force requirement for a long-range penetration fighter. The first prototype used two non-afterburning Westinghouse J34 turbojets, while the second was adapted for afterburning J34s; the program ended without production after the Korean War shifted procurement toward existing aircraft.

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Creation Time
August 15, 2026 at 02:47:35 UTC
Updated Time
August 22, 2026 at 03:49:02 UTC