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Technicians begin welding the Exploration Flight Test-1 (EFT-1) Orion pressure vessel at NASA’s Michoud Assembly Facility in New Orleans on Sept. 9, 2011. Orion’s pressure vessel is underlying frame of the crew module that will provide an air-tight, habitable space for astronauts on future missions to the Moon.

Technicians begin welding the Exploration Flight Test-1 (EFT-1) Orion pressure vessel at NASA’s Michoud Assembly Facility in New Orleans on Sept. 9, 2011. Orion’s pressure vessel is underlying frame of the crew module that will provide an air-tight, habitable space for astronauts on future missions to the Moon. Part of Batch image transfer from Flickr.