Blizzard 1

Blizzard 1 was the AT-AT used by General Maximillian Veers at the Battle of Hoth during the Galactic Civil War. It lead the assault on Echo Base and destroyed the shield generator. It was disabled when the Snowspeeder Rogue 4, piloted by Derek Klivian, crashed into it's cockpit. Both Klivian and Veers survived the crash.