Expedition 43 NASA Astronaut Scott Kelly, left, Russian cosmonaut Gennady Padalka of the Russian Federal Space Agency (Roscosmos), center, and Russian cosmonaut Mikhail Kornienko of Roscosmos walk along the Kremlin Wall in Red Square to leave roses red carnations at the site where Russian space icons are interred as part of traditional pre-launch ceremonies, Friday, March 6, 2015, Moscow, Russia. The trio is preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 28, Kazakh time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016.