The missile-firing submarines were designed to operate in the Arctic under pack ice. A typical Typhoon was more than 1.5 times longer than a football field and three times as tall as the average American house. If you’ve ever seen The Hunt for Red October, you’re probably familiar with Russia’s truly massive Typhoon-class submarines. These Cold War giants still stand as the largest subs ever built. Just how big are we talking? Each u-boat stretched to nearly 600 feet long and was wider than the average American house—and almost three times as tall, to boot. ➡ In the 1970s, the Soviet Union embarked upon a new nuclear weapons program (code name: