170905-N-UD469-012 BANGOR, Wash. (Sept. 5, 2017) The Ohio-class ballistic-missile submarine USS Alabama (SSBN 731) returns home to Naval Base Kitsap-Bangor following a routine strategic deterrent patrol. Alabama is one of eight ballistic-missile submarines stationed at Naval Base Kitsap-Bangor, providing the most survivable leg of the strategic deterrence triad for the U.S. (U.S. Navy photo by Mass Communication Specialist 1st Class Amanda R. Gray/Released)