The U.S. Navy employs two distinct flavors of advanced submarines, differing in range and attack capabilities, that are deployed for months at a time.

A U.S. Navy spokesperson told Newsweek: "The U.S. Navy can confirm that an E-6B Mercury aircraft did operate over the North ...

The U.S. Navy test-fired a ballistic missile from a nuclear-powered submarine off the coast of California last week as the vessel prepares to return to service, according to the Department of ...

ABC News Exclusive: Inside the US nuclear ballistic missile submarine in South Korea Martha Raddatz reports from the first such sub to visit near North Korea.

Tugs guide the Ohio-class ballistic missile submarine USS Louisiana (SSBN 743) to its berth at Naval Base Kitsap-Bangor after the completion of a strategic deterrent patrol.

The UGM-27 Polaris missile was a two-stage, solid-fueled, nuclear-armed, submarine-launched ballistic missile that served the U.S. Navy for nearly twenty years.

The submarine, USS Kentucky, is capable of carrying up to 20 ballistic missiles armed with nuclear warheads.

Tugs guide the Ohio-class ballistic missile submarine USS Louisiana (SSBN 743) to its berth at Naval Base Kitsap-Bangor after the completion of a strategic deterrent patrol.

Ballistic missile submarines are considered to be the most survivable leg of the nation’s nuclear triad, which includes intercontinental missiles and bombs deliverable by aircraft.

The Navy reported that the submarine USS Louisiana successfully launched a nuclear-capable Trident II D5 intercontinental ballistic missile while submerged in the Pacific Ocean off the coast of ...

Unlike ballistic missile submarines, SSNs need to be smaller, so they're not typically longer than 400 feet. Los Angeles subs are 360-feet long, and Virginias are 377-feet.