Expedition 34/35 NASA Flight Engineer Tom Marshburn signs in for the start of two days of certification exams.

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 34/35 NASA Flight Engineer Tom Marshburn signs in for the start of two days of certification exams for flight Nov. 27, 2012 as his crewmates, Soyuz Commander Roman Romanenko (left) and Flight Engineer Chris Hadfield of the Canadian Space Agency (right) look on. Marshburn, Romanenko and Hadfield and their backups are in the final weeks of training for launch on the Soyuz TMA-07M spacecraft from the Baikonur Cosmodrome in Kazakhstan on Dec. 19 for 5 ½ months on the International Space Station.
NASA/Stephanie Stoll