Early Space Flight Sustain Life in Space Passenger versus Pilot Duration (4 days) Return to Earth Spacecraft: Vostok Mercury X-15 Moon Race Extend Duration (14 days) Rendezvous and Docking Spacewalking (EVA) Spacecraft: Voskhod, Soyuz Gemini, Apollo Early Space Stations Long Duration (184 days) Re-Supply Spacecraft: MOL Salyut Skylab Manned Orbiting Lab Proton launch Space Shuttle present Re-Usable Spacecraft Aircraft Landing Thermal Protection System STS launch Hubble! Space Stations present Long Duration (439 days) Construction Re-Supply Spacecraft: Mir International Space Station New Players Questions ???