In order to protect the United States from aerial attack during the early stages of the Cold War, construction on the Distant Early Warning Line (or DEW Line) began in 1956. This was a serious engineering project that required tonnes of steel, concrete, and equipment to be delivered high into the Arctic Circle where there were no roads and no airports.

In order to get these supplies and men up into the arctic, 11 heavy duty Mack trucks were built with 4×4 rear axles, 600 hp diesel engines powering 12.5 foot wide axles and turning 5 foot tall tires strapped with snow chains. Each truck hauled 65 foot long trailers loaded to the hilt, with a gross weight of 330,000 lbs each. In total these 11 trucks were hauling 3.63 million pounds.

The convoy was headed by a series of bulldozers which cleared a path through forests, boulders, across rivers,

Keep reading Documentary: The Daring Bulldog Truck Convoy To The Arctic on Silodrome