Roper 10 taxiing for departure to Beale AFB.
Taxiing for departure to Boeing Field.
Arriving from KBDL.
Another Alaska Airlines departure from Portland.
Info from Wikipedia:
>The North American X-15 was a rocket-powered aircraft operated by the United States Air Force and the National Aeronautics and Space Administration as part of the X-plane ... (more)
Departing for Ohio State University Airport (KOSU).
Taxiing for departure to Ohio State University Airport (KOSU).
Arriving from Buttonville Municipal Airport (CYKZ).