This issue of "Rhumb Lines" discusses naval "superiority in undersea warfare." From the document: "Superiority in the undersea environment is key to the Maritime Strategy and critical to the success of joint force operations. The U.S. Navy possesses a unique range of capabilities to address the challenges and opportunities of the undersea environment. Navy undersea forces directly support five of the six Maritime Strategy core capabilities including forward presence, strategic deterrence, sea control, power projection and maritime security." Sections on "Key Messages" and "Facts & Figures" are also included.
Navy Office of Information: http://www.navy.mil/
Rhumb Lines (April 16, 2010)