Home›Spacecraft and Launch Vehicles›Body Style›Astronaut propulsion unitBrowse ByAstronaut propulsion unitFactsAstronaut propulsion unitSourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1957 1Astronaut propulsion unitFilter Results1 entryManufacturerAllMartin Marietta (1)YearAll1984 (1)Country of OriginAllUnited States (1)PropulsionAllNitrogen gas (1)StatusAllRetired from service (1)Show ResultsManned Maneuvering UnitAstronaut propulsion unitSources1. Wikipedia: Sputnik 1tier 2WikipediaSputnik 1, lead section, launch date sentenceQuote, Sputnik 1, lead section, launch date sentenceIt was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.