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# Expedition 20

Occurred 14 years ago

Expeditions 19 and 20 studied bone loss and cardiac atrophy, the immune system, and space nutrition. Japan's Kuonotori cargo craft launched for the first time.

Mission Type

meet the crew

Launch

Landing

## Crew Members

Gennady Padalka, CommanderMichael Barratt, Flight EngineerTimothy Kopra, Flight EngineerKoichi Wakata, Flight EngineerRoman Romanenko, Flight EngineerFrank De Winne, Flight Engineer

## Crew and Cargo Missions

9/21/09 – 34P Undock9/17/09 – HTV-1 Kounotori Berth9/10/09 – HTV-1 Kounotori Launch9/8/09 – STS-128 Undock8/30/09 – STS-128 Dock7/29/09 – ISS Progress 34 Dock7/28/09 – STS-127 Undock7/17/09 – STS-127 Dock7/2/09 – Soyuz TMA-14 Relocation6/30/09 – ISS Progress 33 Undock5/29/09 – Expedition 20/21 Dock5/27/09 – Expedition 20/21 Launch

## Spacewalks

**Date:**Sept. 5, 2009**Duration:** 7 hours, 1 minute**Spacewalks:**John Olivas, Christer Fuglesang**Date:**Sept. 3, 2009**Duration:** 6 hours, 39 minutes**Spacewalks:**John Olivas, Christer Fuglesang**Date:**Sept. 1, 2009**Duration:** 6 hours, 35 minutes**Spacewalks:**John Olivas, Nicole Stott**Date:**July 27, 2009**Duration:** 4 hours, 54 minutes**Spacewalks:**Chris Cassidy, Thomas Marshburn**Date:**July 24, 2009**Duration:** 7 hours, 12 minutes**Spacewalks:**Chris Cassidy, Thomas Marshburn**Date:**July 22, 2009**Duration:** 5 hours, 59 minutes**Spacewalks:**David Wolf, Chris Cassidy**Date:**July 20, 2009**Duration:** 6 hours, 53 minutes**Spacewalks:**David Wolf, Thomas Marshburn**Date:**July 18, 2009**Duration:** 5 hours, 32 minutes**Spacewalks:**David Wolf, Tim Kopra**Date:**June 10, 2009**Duration:** 0 hours, 12 minutes**Spacewalks:**Gennady Padalka, Michael Barratt**Date:**June 5, 2009**Duration:** 4 hours, 54 minutes**Spacewalks:**Gennady Padalka, Michael Barratt

## 				Expedition 20 Resources			

## 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.

## Mission Science

Learn more about the range of microgravity science encompassing human research, space phsyics, and more the Expedition 20 crew has conducted.

## Mission Imagery

During Expedition 20, 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 20 in the gallery.

## Space Station Imagery

View imagery taken from the International Space Station since 1999 of daily crew activities, spacewalks, visiting vehicles, and the Earth below.

## Expedition 21 News

36 Min Read
Crew Flight Test: The Astronauts

Article6 Min Read
Climate Change Research

Article5 Min Read
Astronauts To Patch Up NASA’s NICER Telescope
News Release3 Min Read
NASA to Host a Pair of Briefings for Starliner Crew Flight

3 Min Read
New York Students to Hear from NASA Astronaut Aboard Space Station
News Release7 Min Read
The April 8 Total Solar Eclipse: Through the Eyes of NASA
Article66 Min Read
Crew Flight Test: The Mission
3 Min Read
NASA Astronaut Loral O’Hara to Discuss Space Station Mission
News Release

## More Humans in Space Topics

Space Station Research and Technology

Station Benefits for Humanity

Astronauts Home

Humans In Space

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-  									Page Last Updated:								  								Apr 17, 2024								 
-  									Page Editor:								  									Mark A. Garcia								 
-  								Responsible NASA Official:							  								Abigail Bowman