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...wing, between the inboard engine cluster and the fuselage. Used to launch X-15 rocketplanes (some of whose pilots flew high enough to earn their astron ..."mothership" idea continues to be used, most recently by the winner of the X-Prize, SpaceShip One, and followup craft. There is also a rumored secret Ai

| style="width:18px; height:18px;padding:0px" BGCOLOR = "#7F7F6F" | X ...p; R&nbsp;E&nbsp;G&nbsp;O&nbsp;L&nbsp;I&nbsp;T&nbsp;H &nbsp; B&nbsp;O&nbsp;X</BIG></BIG>

*{{space|X-30|X-30}} <BR/> *{{space|X-33|X-33}}

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