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USAF/US NAVY 6th Generation Fighter Programs - F/A-XX, F-X, NGAD, PCA

marauder2048

"I should really just relax"
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Even in the mid-90's, Air Force and general DOD concern about runway vulnerability was very much there.
And it's (in part) why you've seen some recurring AF interest in the F-35B since the 90's.

If STOL had made it on the F-22 it might have been a different story. But it didn't so here we are...with runways
that are more vulnerable that ever to conventional weapons.
 

sferrin

CLEARANCE: Above Top Secret
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Yes but getting a shaft-driven lift fan to work with TWO engines would be a giant pain in the backside.
I distinctly recall 2 engine supersonic harrier replacement concepts in the 80s. No shaft driven fans.

If the shaft driven fan was 'required', why was it not in the JSF requirements?
Where did I say it was required?
 
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