Expedition 25

Occurred 13 years ago

The Expedition 25 and 26 crews studied the station's radiation environment, the decrease in heart size during spaceflight, and modifying nutrition to counteract the effects of weightlessness. Robonaut 2 was installed to test its ability to assist crews. Advanced cooling technologies and fire safety techniques were also explored during the two missions.

Mission Type

ISS Expedition

meet the crew

Doug Wheelock, Shannon Walker, Fyodor Yurchikhin, Oleg Skripochka, Alexander Kaleri, Scott Kelly

Launch

June 15, 2010

Landing

Nov. 25, 2010

Expedition 25 Official Crew Portrait — Expedition 25 crew members take a break from training at NASA’s Johnson Space Center to pose for a crew portrait. Pictured at center right is NASA astronaut Doug Wheelock, commander. Also pictured (from the left) are Russian cosmonauts Oleg Skripochka and Alexander Kaleri; NASA astronauts Scott Kelly and Shannon Walker; along with Russian cosmonaut Fyodor Yurchikhin, all flight engineers.
NASA

Expedition 25 Official Crew Insignia — The official insignia of the Expedition 24 mission aboard the International Space Station.
NASA

Crew Members

Douglas Wheelock, Commander
Shannon Walker, Flight Engineer
Fyodor Yurchikhin, Flight Engineer
Oleg Skripochka, Flight Engineer
Alexander Kaleri, Flight Engineer
Scott Kelly, Flight Engineer

Crew and Cargo Missions

11/25/10 – Expedition 24/25 Land
10/30/2010 – ISS Progress 40 Dock
10/27/2010 – ISS Progress 40 Launch
10/9/10 – Expedition 25/26 Dock
10/7/10 – Expedition 25/26 Launch

Spacewalks

Date: Nov. 15, 2010
Duration: 6 hours, 27 minutes
Spacewalkers: Fyodor Yurchikhin, Oleg Skripochka

Expedition 25 Resources

Earth's Moon, Venus, Jupiter and the crescent of Earth at the top.

Expedition Press Kit

Get an overview of the Expedition, its crew and the activities they are working on during this mission to the International Space Station.

The Solid Fuel Ignition and Extinction (SoFIE) Growth and Extinction Limits (GEL) experiment aboard the International Space Station (ISS) studies flame growth and extinction in an effort to improve fire safety in space. This image shows a sequence of snapshots taken about 3 seconds apart. During this test point, the ambient oxygen concentration starts relatively high (28%). Initially, the flame is seen as yellow and sooty. As the ambient pressure is reduced, the flame becomes bluer and continues to shrink until fully extinguished. This gives researchers pressure limit data points for flame extinction that could help improve crew and spacecraft safety for future exploration missions.

Mission Science

Explore hands-on activities, interactive, lesson plans, educator guides, and other downloadable content about this topic.

One of the Expedition 41 crew members aboard the International Space Station, flying at an altitude of 222 nautical miles above a point in the Atlantic Ocean several hundred miles off the coast of Africa near the Tropic of Cancer, photographed this eye-catching panorama of the night sky and the Milky Way on Sept. 27. NASA astronaut Reid Wiseman, flight engineer, tweeted the image, which was taken with an electronic still camera, set with a 24mm focal length. In his accompanying comments, Wiseman stated, "Sahara sands make the Earth glow orange."

Mission Imagery

During Expedition 25, the crew took images of the Earth views, the orbiting station, their daily lives aboard and the experiments they conducted during their stay, plus so much more. Check out some of the image highlights from Expedition 25 in the gallery.