Typhoon-class submarines were the biggest submarines to ever patrol the oceans. But they were not this big by choice. The ...

During the Cold War, both the United States and the Soviet Union had serious plans for nuclear warfare, and to protect their arsenals, they each developed formidable strategic submarines. While the U.

What You Need to Know: The Russian Navy has decommissioned the Dmitry Donskoy, the last active Typhoon-class submarine and the largest submarine ever built. Initially entering service in 1981 as ...