U.S. Army Colonel Doug Wheelock flew aboard the Soyuz TMA-19 spacecraft to serve as an Expedition 24 flight engineer and commander of Expedition 25 on the International Space Station. In 2007, Wheelock visited the station as an STS-120 mission specialist and conducted three spacewalks.
› Biography →
Commander of the Soyuz TMA-19 spacecraft, cosmonaut Fyodor Yurchikhin is serving as a flight engineer for Expeditions 24 and 25 aboard the International Space Station. This marks his third trip to the station, visiting as a member of the STS-112 crew aboard space shuttle Atlantis in 2002 and serving a six-month tour of duty as Expedition 15 commander in 2007.
› Biography →
NASA astronaut Shannon Walker flew to the International Space Station aboard the Soyuz TMA-19 spacecraft to serve as a flight engineer for Expeditions 24 and 25. Previously she served as the crew support astronaut for Expedition 14 and lead spacecraft communicator for the STS-118 shuttle mission.
› Biography →
Cosmonaut Alexander Kaleri was the Soyuz TMA-01M commander and flight engineer for Expeditions 25 and 26. A veteran of four previous spaceflights, Kaleri last stayed aboard the International Space Station as an Expedition 8 crew member from October 2003 to April 2004.
› Biography →
U.S. Navy Captain Scott Kelly flew to the International Space Station aboard the Soyuz TMA-01M spacecraft. He served as an Expedition 25 flight engineer and as commander of Expedition 26. A veteran of two space shuttle missions, Kelly last visited the orbiting complex in August 2007 as commander of the STS-118 mission aboard Endeavour.
› Biography →
Cosmonaut Oleg Skripochka flew aboard the Soyuz TMA-01M spacecraft to the International Space Station. He served as a flight engineer for Expeditions 25 and 26. This was Skripochka's first spaceflight.
› Biography →
Visit the Expedition 25 photo gallery.
Visit the space station photo gallery to see collections of images that capture the orbital outpost's history.
Almost 200 people from 15 countries have visited the International Space Station, but the orbiting complex has so far only ever had human crew members – until now.