Russia’s Belgorod Submarine

Belgorod nuclear submarine launched in Severodvinsk

Oleg KuleshovGetty Images

Russia launched the world’s longest submarine today, the special mission submarine Belgorod. Designed to support a variety of military missions, including the Poseidon long-range strategic nuclear torpedo, the sub is far larger than anything operated by any other naval force, including the U.S. Navy. The six hundred foot long submarine displaces more water than a World War I battleship and can dive to a depth of 1,700 feet. read more