Enlarge / Cosmonaut Fyodor Yurchikhin, a veteran flier shown here after a 2010 mission to the space station, will be Russia's only flier next March.NASA reader comments 0 Share this story The International Space Station has usually been home to six astronauts since May 29, 2009, when Roman Romanenko, Frank de Winne, and Bob Thirsk arrived on the station,...