Blizzard Force
From Multiversal Omnipedia
Blizzard Force was the Imperial ground force commanded by General Veers, which attacked Echo Base on Hoth. It consisted of five AT-AT Walkers, including Blizzard 1, Blizzard 2, and Blizzard 4, and one AT-ST Walker, Blizzard Scout 1. Blizzard Force, under General Veers' direction, succeeded in capturing Echo Base despite the loss of Blizzards 2 and 4.
