ISS014-E-19357 (12 April 2007) --- The crewmembers onboard the International Space Station participate in a conference with Russian space officials in the Destiny laboratory of the International Space Station. From the left (front row) are cosmonaut Oleg V. Kotov, Expedition 15 flight engineer; U.S. spaceflight participant Charles Simonyi; and cosmonaut Fyodor N. Yurchikhin, Expedition 15 commander. From the left (back row) are astronaut Michael E. Lopez-Alegria, Expedition 14 commander and NASA space station science officer; cosmonaut Mikhail Tyurin, Expedition 14 flight engineer; and astronaut Sunita L. Williams, Expedition 14/15 flight engineer. The officials offered congratulations on the Cosmonautics Day in celebration of the 46th anniversary of the launching of Yuri Gagarin as the first human in space. The ground team also offered congratulations to Lopez-Alegria and Williams on the 26th anniversary of the launching of Columbia on the first space shuttle mission. Yurchikhin, Kotov and Tyurin represent Russia's Federal Space Agency.