The United States Maritime Administration (MARAD) is an agency of the United States Department of Transportation. MARAD administers financial programs to develop, promote, and operate the U.S. Maritime Service and the U.S. Merchant Marine. Determining services and routes necessary to develop and maintain American foreign commerce and requirements of ships necessary to provide adequate service on such routes. In addition it conducts research and development activities in the maritime field; regulates the transfer of U.S. documented vessels to foreign registries; maintains equipment, shipyard facilities, and reserve fleets of Government-owned ships essential for national defense.