Terrorists take down a major asset of greatest military power ever?

Is this likely?  Or was it an inside job?  You decide!

;)

http://www.youtube.com/watch?v=2dvv-Yib1Xg&feature=youtube_gdata_player / StarWars Star Wars Luke Leya twin Skywalker Anakin centre center X-wing X wing fighter Carillon class trade freighter towers star ship Han Solo Darth Vader Anakin Sith international The force Jedi battle station Death Star father son sister brother daughter /