Numerous airlines on Tuesday morning were forced to cancel hundreds of flights to and from Scotland and several other regions as the latest volcanic ash crisis continued to intensify.
Time lapse video of Space Shuttle Enterprise being removed from the top of the Shuttle Carrier Aircraft 747 at John F. Kennedy International Airport in New York on May 13, 2012. Video produced by NASA.
Space Shuttle Columbia completes two important missions, SAS bans smoking on many flights, X-15 sets a speed record, United Flight 629 is bombed and more.