Summary and Key Points: The U.S. Navy’s Columbia-class ballistic missile submarines are designed to replace the aging Ohio-class and sustain America’s most survivable nuclear deterrent for decades.

The United States has reached a milestone in building the Navy’s first next-generation submarine equipped with nuclear missiles as it races to modernize its air-, land- and sea-based strategic forces ...

Almost nobody knows where they are at any given time, yet nuclear-armed ballistic missile submarines quietly patrol dark domains of the undersea realm in strategically vital waters around the globe, ...

The Columbia class is slated to enter service in 2031—with very little room for error, as its predecessor, the Ohio-class SSBN, will be retired starting in 2017. General Dynamics Electric Boat, a ...

The Columbia-class submarine outstrips its predecessor, the Ohio class, in many ways—but falls short in one conspicuous one. America’s naval shipyards are a mess—and have been for many years. US ...