Spacewalkers Stephen Bowen and Sultan Alneyadi exit the Quest airlock

#NASA #ImageOfTheDay Spacewalkers Stephen Bowen and Sultan Alneyadi are pictured in their Extravehicular Mobility Units, or spacesuits, exiting the International Space Station's Quest airlock and beginning a spacewalk.

http://www.nasa.gov/image-feature/spacewalkers-stephen-bowen-and-sultan-alneyadi-exit-the-quest-airlock