The good news, NTRS is back online. The bad news, it's been horribly
gutted.
Charlie Bolden's Gutted Version of NTRS is Back Online
http://nasawatch.com/archives/2013/05/ntrs-is-back-on.html
From above:
In addition, only 7% of the historical (but still
technically relevant) NACA collection remains online
(only about 1,000 of the roughly 14,000 that comprise
the NACA collection).
Of course, there are Chinese university servers which mirrored NTRS
before it went down, so this whole exercise is pointless political
posturing. :-P
Jeff
--
"the perennial claim that hypersonic airbreathing propulsion would
magically make space launch cheaper is nonsense -- LOX is much cheaper
than advanced airbreathing engines, and so are the tanks to put it in
and the extra thrust to carry it." - Henry Spencer