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Northrop YF-23 - Wikipedia
Aviation Archives: Northrop/McAir YF-23A Drawings - Blogger
YF-23 diagrams: Air Drawing 47 – The Unwanted Blog - Up Ship
Northrop / McDonnell Douglas ATF - YF-23 and EMD F-23
Northrop/McDonnell Douglas YF-23 Black Widow II - fighter
northrop_yf-23a_utility_flight_manual : Free Download, Borrow, …
NASA Dryden YF-23 Photo Collection - Armstrong Flight Research …
New YF-23 book! - Jet Modeling - ARC Discussion Forums