Title: From archangel to senior crown
Subtitle: design and development of the Blackbird
Subjects: History, Transonic Aerodynamics, A-12 Blackbird (Jet reconnaissance plane), SR-71 Blackbird (Jet reconnaissance plane), Research, Aerodynamics, transonic, Aeronautics, history, A-12 (Jet reconnaissance plane)
Places: United States
Time periods: 20th century