Expedition 27 Preflight

At the Kremlin Wall in Moscow March 11, 2011, NASA astronaut Ron Garan lays flowers in honor of fallen icons as part of the ceremonial activities leading to the scheduled launch of Expedition 27 to the International Space Station, scheduled for March 30 (Kazakhstan time) in the Soyuz TMA-21 spacecraft. Photo credit: NASA/Mark Polansky

At the Kremlin Wall in Moscow March 11, 2011, NASA astronaut Ron Garan lays flowers in honor of fallen icons as part of the ceremonial activities leading to the scheduled launch of Expedition 27 to the International Space Station, scheduled for March 30 (Kazakhstan time) in the Soyuz TMA-21 spacecraft. Photo credit: NASA/Mark Polansky