Thurmont, Maryland, site of Presidential retreat Camp David (Prohibited Area 40 or P-40) Amarillo, Texas, Pantex nuclear assembly plant (P-47) Bush Ranch near Crawford, Texas (P-49) Edwards Air Force Base Area 51 Kennedy Space Center Naval Submarine Base Kings Bay, Georgia (P-50) Naval Base Kitsap, Washington (P-51) Washington, D.C., U.S. Capitol, White House, and Naval Observatory (P-56); see Other restrictions below for information about all Active Prohibited Areas in the Washington D.C./Baltimore Flight Restricted Zone. Bush compound near Kennebunkport, Maine (P-67) Mount Vernon, Virginia, home of George Washington (P-73) Manhattan, New York City Boundary Waters Canoe Area Wilderness in northern Minnesota (P-204, 205, and 206)