Martin X-24B
In 1972 the X-24A was stripped to its basic framework
and rebuilt as the X-24B with a more stable configuration. The new
body was delta-shaped and had twice the lifting surface of the X-24A.
On August 5, 1975, the X-24B made the first landing of a lifting
body on a conventional runway.
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The X-24B made its 36th and last flight on November 26, 1975.
It was delivered to the Notional Air Museum in November 1976.
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