Many Government and Military models require a security notification with each model. Normally this is placed below the Title Block. Be sure to determine if your model requires this government requirement.
Following is a typical sample:
WARNING: This document may be controlled for export by the Arms Export Control Act (Title 22, U.S.C., Sec 2751, et seq.) or the Export Administration Act of 1979 (Title 50, U.S.C., App. 2401 et seq.), as amended. Export of this information to a foreign person inside or outside of the United States must be in accordance with the International Traffic in Arms Regulation (ITAR) or Export administration Regulations (EAR).