We Choose to Go to the Moon

Made from Apollo 7 - 14 EMU Spacesuit

The complete Apollo EMU made its space debut with Apollo 9 launched into space on March 3, 1969.[12] On the fourth day of the mission, Lunar Module Pilot Russell Schweickart and Commander James McDivitt went into the Lunar Module. The astronauts then depressurized both the Command and Lunar Modules. Schweickart emerged from the Lunar Module to test the backpack and conduct experiments. David Scott partially emerged from the Command Module's hatch supported by an umbilical system connected to the Command Module to observe. The EVA lasted only 46 minutes but allowed a verification of both EVA configurations of the EMU. This was the only Apollo spacewalk prior to the Apollo 11 lunar landing mission.

Apollo 11 made the A7L the most iconic suit of the program. It proved to be the primary pressure suit worn by NASA astronauts for Project Apollo. Starting in 1969, the A7L suits were designed and produced by ILC Dover (a division of Playtex at the time). The A7L is an evolution of ILC's initial A5L, which won a 1965 pressure suit competition, and A6L, which introduced the integrated thermal and micrometeroid cover layer. After the deadly Apollo 1 fire, the suit was upgraded to be fire-resistant and designated A7L.

Details:

• Name: Extravehicular Mobility Unit (EMU)
• Manufacturer: ILC Dover (Pressure Suit Assembly) and Hamilton Standard (Portable Life Support System)
• Missions: Apollo 7-14
• Function: Intra-vehicular activity (IVA), orbital Extra-vehicular activity (EVA), and terrestrial EVA
• Operating Pressure: 3.7 psi (25.5 kPa)
• IVA Suit Mass: 62 lb (28.1 kg)
• EVA Suit Mass: 76 lb (34.5 kg)
• Total EVA Suit Mass: 200 lb (91 kg)
• Primary Life Support: 6 hours
• Backup Life Support: 30 minutes
  

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