The Type R "Mystery Ships" were a series of wire-braced, low-wing racing airplanes built by the Travel Air company in the late 1920s and early 1930s.
United States Air Force | Royal Air Force | type species | United States Army Air Forces | Royal Canadian Air Force | Indian Air Force | United States Air Force Academy | Special Air Service | Travel Channel | Fleet Air Arm | National Air and Space Museum | Royal Australian Air Force | Strategic Air Command | Delta Air Lines | Air Canada | Israeli Air Force | International Air Transport Association | Air Training Command | United States Army Air Corps | French Air Force | Air National Guard | Mystery Science Theater 3000 | Edwards Air Force Base | Air Education and Training Command | mystery | Air France | type | Royal Naval Air Service | First Air Force | South African Air Force |