i'm trying to remember a name of an autobot from the G1 series. this gigantic robot transforms into a gigantic cybertronian jet. he's so huge that many transformers can fit inside him when he transforms into the cybertronian jet. this autobot was dug out from alaska i think. he used to be a decepticon but when the autobots dug him out of the ice, they convinced him that he should be working for them. and he became an autobot. does anyone remember who that was?