It was an alarm clock for nearby residents, who heard a sonic boom as the shuttle broke through the atmosphere.
It was an emotional day for NASA as the astronauts and the 1,500-plus contract workers face layoffs on Friday.
NASA officials said the shuttle's incredible ride may have come to an end, but their mission is still just beginning.
Viewers with disabilities can get assistance accessing this station's FCC Public Inspection File by contacting the station with the information listed below. Questions or concerns relating to the accessibility of the FCC's online public file system should be directed to the FCC at 888-225-5322, 888-835-5322 (TTY), or firstname.lastname@example.org.