Named for the first ship commanded by British explorer James Cook , Endeavour cost $ 1.7 billion when it rolled out as a replacement for Challenger , which exploded shortly after its 10th launch . NEW : Endeavour reaches its new home at the California Science Center . NEW : Los Angeles Mayor Villaraigosa declares `` mission accomplished '' and now we can go back to our normal lives '''
NEW : Endeavour reaches its new home at the California Science Center . NEW : Los Angeles Mayor Villaraigosa declares `` mission accomplished '' and now we can go back to our normal lives '''