When melting ice threatens to flood a town, a 22-ton amphibious mega machine battles the elements to save the day; in the Arctic, the Canadian Air Force relies on a massive transport aircraft to deliver supplies and personnel to far-off places.

The world's only actual all-terrain vehicle is an Arctic mega monster that can conquer land, snow, and water in dangerous conditions; elsewhere in avalanche country, only one machine can climb deadly mountains and protect a major highway.