Well, today marks the end of an era!  Space Shuttle Endeavor blasted off successfully today on what will be the last of that shuttle's flights. Space Shuttle Endeavour was the fifth of  the shuttle orbiters. The first flight of the orbiter Endeavour was STS-49 mission in May 7, 1992. Space Shuttle Endeavour was named after the first ship commanded by James Cook. Captain James Cook was an 18th century British explorer, navigator and astronomer.