Title: Lockheed's Blackworld Skunk Works
Subtitle: The U2, SR-71 and F-117 (Osprey Aviation Pioneers 4)
Subjects: F-117 (Jet fighter plane), Military Jet planes, F-117 (Jet attack plane), U2 (Reconnaissance aircraft), SR-71 (Jet reconnaissance plane), Design and construction, Airplanes, military, Lockheed airplanes