The memorandum from Hill Air Force Base outlines that unmarked engineering drawings are to be treated as classified under "DISTRIBUTION D" and warns of severe penalties for unauthorized export of technical data, governed by ITAR and EAR regulations. It emphasizes the need for prior approval for dissemination and states that unauthorized sharing could disqualify contractors from future Department of Defense contracts. Additionally, the U.S. Government disclaims liability for any issues arising from the use of the technical data.