From the Executive Summary, "This report will describe the Navy's projected AUV [Autonomous Undersea Vehicle] inventory requirement for 2025. It will also examine the taxonomy used to cover the range of AUV classes and capabilities. It will describe the key differences between operations far forward, in open oceans, and in home waters. It will differentiate between undersea warfare missions and AUV tasks and provide an overview of the advantages and disadvantages of different host platform options for AUV employment."
U.S. Naval Institute: http://news.usni.org/