1976, July 2 – National Mall Outside the National Air and Space Museum of the Smithsonian Institution – Washington, DC – Gerald R. Ford, Nelson A. Rockefeller, Warren Burger, S. Dillon Ripley, Michael Collins, Others – standing, watching robot arm cut ribbon after receiving signal from VIKING Spacecraft – Bicentennial Event – Ribbon Cutting Ceremony at the Dedication of the National Air and Space Museum of the Smithsonian Institution- Secretary of the Smithsonian Institution; Director, Air and Space Museum