EC-145NASA Research Aircraft – D-558-II, D-558-I, X-5, X-1, XF-92A, and X-4.
30 March 1952NASA Photo› Fleet Descriptionsbr />
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EC-145NASA Research Aircraft – D-558-II, D-558-I, X-5, X-1, XF-92A, and X-4.
30 March 1952NASA Photo› Fleet Descriptionsbr />