This memorandum discusses the Navy's plans for expanding its use of autonomous underwater vehicles (AUVs) also known as unmanned underwater vehicles (UUVs). It outlines that AUVs are essential for maintaining underwater dominance and will take on a greater role in intelligence, surveillance, and reconnaissance missions as well as seabed warfare, deception, and non-lethal operations. The memo discusses current and future missions for AUVs including mine countermeasures, intelligence gathering, communications relays, and acting as decoys. It also addresses the need to develop counter-AUV warfare capabilities and the advantages of electromagnetic maneuver warfare and non-lethal options. Finally, it outlines the different classes of AUVs including extremely large,