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ISS016-E-033024 (17/18 March 2008) --- Astronaut Rick Linnehan, STS-123 mission specialist, uses a digital camera to expose a photo of his helmet visor during the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. Also visible in the reflections in the visor are various components of the station, the docked Space Shuttle Endeavour and a blue and white portion of Earth. During the 6-hour, 53-minute spacewalk, Linnehan and astronaut Robert L. Behnken (out of frame), mission specialist, installed a spare-…
