The private Dream Chaser space plane undergoes a 60 mph tow test at NASA's Dryden Flight Research Center in California in May 2013 ahead of planned unmanned flight tests.
FlightAware > Photo of Boeing Shuttle Carrier - This was completely an amazing sight to see. Unfortunately, unless they fly the Endeavor through Amarillo on it's way out to Los Angeles, it's a sight that I probably will never see again.
The Space Shuttle Columbia disaster occurred on February when Columbia disintegrated over Texas and Louisiana as it reentered Earth's atmosphere, killing all seven crew members.
Mike Blake/Reuters: The space shuttle Endeavour, perched atop its modified 747 carrier jet, is escorted by two other planes as it passes in front of Los Angeles’ Hollywood sign on 21 Sept.
Space Shuttle Discovery October 2007 – Backdropped by a blue and white Earth, Space Shuttle Discovery approaches the International Space Station during rendezvous and docking operations.
Shuttle Aircraft 2014 this plane will be moved from Ellington Field to Space Center Houston where it will be permanently stationed with the Shuttle mock-up exhibit.