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Space policy of the United States
Part of Space program of the United States

NASA NOAA NRO USSF
Expand Human spaceflight programs Mercury Gemini Apollo Skylab Space Shuttle Shuttle–Mir ISS Commercial Crew Constellation Artemis
Expand Robotic spaceflight programs CRS Explorers GLS Large Strategic Lunar Orbiter Lunar Precursor Mariner Mars Scout New Millennium Pioneer Planetary Missions Discovery New Frontiers Solar System Exploration Planetary Observer Ranger Surveyor Vanguard Viking Voyager
Expand Launch vehicles Antares Atlas Agena Centaur LV-3B V Delta II IV Heavy Falcon 9 Heavy Redstone Juno I Mercury Saturn I IB V Shuttle-Derived SLS Space Shuttle Titan II GLV IIIE IV Vanguard
Expand Astronaut corps Mercury Gemini Apollo Space Shuttle
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