NASA Engineers Mark Completion of Orion’s Pressure Vessel

NASA’s Orion spacecraft is another step closer to launching on its first mission to deep space atop the agency’s Space Launch System rocket. On Jan. 13, technicians at Michoud Assembly Facility finished welding together the primary structure of the Orion spacecraft destined for deep space, marking another important step on the journey to Mars. via NASA http://www.nasa.gov/image-feature/engineers-mark-completion-of-orion-s-pressure-vessel