The arctic military base is a military installment located in Antarctica.
Transformers: Prime
"Triangulation"
Optimus Prime, along with the compelled Starscream, were searching for a relic in Antarctica. They soon arrived at a military facility, and Optimus Prime radioed Agent Fowler to evacuate the human base in order for him to retrieve the relic safely. Once they venture inside, they find out that they were pursued by Dreadwing, and a battle ensues.