The Doomsday Ships: New U.S. Ballistic Missile Submarine Program

... converted into guided-missile submarines to carry Tomahawk cruise missiles . Each submarine has 24 SLBM tubes, although by 2018 the number is to be reduced to 20 through the deactivation of four tubes . All these submarines carry the Trident II D-5 SLBMs, and eight ships are deployed at Navy base Kitsap, Washington, on the Pacific coast, while the other six are at Kings Bay, Georgia, on the Atlantic . Initially, the Ohio-class submarine’s service life was designed to be 30 years, but this was later extended to 42 years, with planned ...