From The Stargate Omnipedia
Radio call-sign for Lieutenant Colonel Cameron Mitchell
assault on Antarctica
. Mitchell led Blue Squadron, a group of F-302 fighter craft engaged in the defense of Earth
Lost City, Part 2 - Mitchell (unseen), as Blue Leader, leads a band of F-302s into battle against Anubis's armada.
Avalon, Part 1 - Mitchell remembers the events of the battle of Antarctica.