National Security Presidential Directive-47/Homeland SecurityPresidential Direct

National Security Presidential Directive-47/Homeland SecurityPresidential Directive-16 (NSPD-47/HSPD-16) of June 20 2006(Aviation Security Policy) details a strategic vision for aviationsecurity while recognizing ongoing efforts and directs theproduction of a National Strategy for Aviation Security andsupporting plans. President George W. Bush established US policyguidelines and implementation actions to continue to fortify UShomeland security and national security by protecting the UnitedStates and US interests from threats in the Air Domain 1 (definedas the global airspace including domestic international andforeign airspace as well as all manned and unmanned aircraft thatare operating. It also includes people and cargo present in thatairspace in addition to all aviation-related infrastructures).