Dr. Cathleen Lewis, curator of International Space Programs and Spacesuits at the Smithsonian Institution's National Air and Space Museum, breaks down space suits from movies including 'Star Trek,' 'Gravity,' 'Alien,' 'Prometheus,' 'The Martian,' 'Moonraker,' 'Destination Moon,' 'Stargate: Atlantis,' 'Armageddon,' '2001: A Space Odyssey,' 'Outland,' 'Moon' and 'Sunshine.'