Federal Aviation Administration (DOT) (FAA)
HQ: Washington, D.C.
Other locations: Located in nine geographical regions and two major centers (in Oklahoma City, OK, and Atlantic City International Airport, NJ)
Mission: To ensure the safety of civil aviation. The Federal Aviation Administration also encourages research and development with respect to the National Airspace
System and civil aeronautics; develops and operates a common system of air traffic control and navigation for both civilian and military aircraft; develops and implements programs to control aircraft noise and other environmental effects of civilian aviation; and regulates U.S. commercial space transportation.