The X-15 can be rightfully described at the world’s first reusable spacecraft.
This weekend’s aviation time-waster is a half hour long documentary featuring a brief overview of the design, development and flight test program of this amazing research airplane.
NASA has a very interesting website commemorating the 30th anniversary of the X-15′s first flight. Here you’ll find valuable primary source documents that specifically detail the program.
Earlier in the year visited the National Museum of the USAF. You can see one the X-15s there on display at the Museum’s R&D Hangar at Wright-Patterson Air Force Base. Here are some photos I took the of the X-15: