The cover of Aviation Week & Space Technology’s Oct. 11, 1965, issue featured Northrop Corp.'s M2-F2 lifting body research vehicle mated to the wing of a Boeing B-52 at NASA’s Flight Research Center ...

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The contraption looked more like an inverted flat iron than a flying machine. With two tail fins and no wings, a rounded belly and a flat top, the experimental craft M2-F2 was rolled out last week by ...