MARK WILLIAMSON / SCIENCE PHOTO LIBRARY MARK WILLIAMSON / SCIENCE PHOTO LIBRARY
Corona KH-4B spy satellite on display at the National Air & Space Museum, Washington DC. America's first photoreconnaissance satellite, also known by the 'cover name' Discoverer. Spacecraft imaging platform is shown at left with film loops (pink) and film recovery capsule (right). Apollo-Soyuz (ASTP) mission mockup is reflected in capsule.
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