Northrop YF-23
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English: The Northrop/McDonnell Douglas YF-23 Black Widow II was a prototype fighter aircraft designed for the United States Air Force. YF-23 lost a competition against the F-22 Raptor.
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 Two Northrop YF-23s |
 Both Northrop-McDonnell Douglas YF-23s in flight. |
 Northrop-McDonnell Douglas YF-23 top view |
 Northrop-McDonnell Douglas YF-23 front right view. |
 Northrop-McDonnell Douglas YF-23 left view. |
 Northrop-McDonnell Douglas YF-23 in-flight refueling. |
 Northrop-McDonnell Douglas YF-23 on side of hangar. |
 Northrop-McDonnell Douglas YF-23 on taxiway. |
 Top view of the Northrop-McDonnell Douglas YF-23 in flight. |
 YF-23 |
