Expedition 34/35 Flight Engineer Tom Marshburn of NASA lays flowers at the Kremlin Wall in Moscow Nov. 29, 2012.

Expedition 34/35 Flight Engineer Tom Marshburn of NASA lays flowers at the Kremlin Wall in Moscow Nov. 29, 2012 where Yuri Gagarin, the first human in space and other Russian space heroes are interred. The tribute was part of ceremonial activities that will lead to the launch of Marshburn, Flight Engineer Chris Hadfield of the Canadian Space Agency and Soyuz Commander Roman Romanenko to the International Space Station Dec. 19 in the Soyuz TMA-07M spacecraft from the Baikonur Cosmodrome in Kazakhstan.
NASA/Stephanie Stoll