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X U.S. Military Aircraft |
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%20(8X4).jpg) X-1 # Bell |
%20(9X3.6).jpg) X-3 Stiletto Douglas |
%20(8X4).jpg) X-4 # Northrop |
%20(8X4).jpg) X-5 # Bell |
%20(8X4).jpg) X-10 # North American |
%20(8X4).jpg) X-15 # North American |
%20(7X4).jpg) X-24A # Martin |
%20(8X4).jpg) X-24B # Martin |
%20(8X4).jpg) X-25 # Bensen |
%20(8X4).jpg) X-29 # Grumman |
%20(2)%20(9X4).jpg) X-35 # Lockheed Martin |
%20(8X4).jpg) X-40 # Boeing |
%20(8X4).jpg) X-45 # Boeing |
%20(8X4).jpg) XB-70 Valkrie North American |
.jpg) XC-99 # Convair |
%20(8X4).jpg) XC-142 # Vought |
%20(6.7X4).jpg) XF-84 # Republic |
%20(8X5.3).jpg) XF-85 Goblin McDonnell |
%20(8X4).jpg) XF-92 # Convair |
.jpg) XH-26 # American Helicopter |
%20(6X4).jpg) XH-44 Hiler-copter Hiller |
%20(6X4).jpg) XO-60 Autogiro Kellet |
%20(8X4).jpg) \XQM-93 E-Systems |
%20(6X4).jpg) XR-4C Hoverfly Sikorsky |
%20(8X4).jpg) XSM-73 # Fairchild |
%20(8X4).jpg) XV-3 # Bell |
%20(8X4).jpg) XV-6A Kestrel Hawker-Siddley |
%20(8X4).jpg) XV-15 Tiltrotor Bell |
 American X-Vehicles An Inventory X-1 to X-50 |