The appearance of external hyperlinks does not constitute endorsement by the United States Department of Defense, the United States Department of the Navy and the U.S. Naval Research Lab of the linked web sites, or the information, products or services contained therein. For other than authorized activities such as military exchanges and Morale, Welfare and Recreation (MWR) sites, the United States Department of Defense, the Department of the Navy and the U.S. Naval Research Lab does not exercise any editorial control over the information you may find at these locations. Such links are provided consistent with the stated purpose of this DoD web site.