![Expedition 12 Crew Insignia](https://www.nasa.gov/wp-content/uploads/2023/03/exp12-patch.jpg)
Expedition 12
Expedition 12 studied space-caused bone and muscle loss, explored fluids that respond to magnetic fields, and aided the development of disease-fighting drugs.
Mission Type
meet the crew
Launch
Landing
Crew Members
Bill McArthur, Commander
Valery Tokarev, Flight Engineer
Crew and Cargo Missions
4/8/06 – Expedition 12 Land
3/31/06 – Expedition 13 Dock
3/20/06 – Soyuz TMA-7 Relocation
3/3/06 – ISS Progress 19 Undock
3/29/06 – Expedition 13 Launch
12/23/05 – ISS Progress 20 Dock
11/18/05 – Soyuz TMA-7 Relocation
Spacewalks
Date: Feb. 3, 2006
Duration: 5 hours, 43 minutes
Spacewalkers: Bill McArthur, Valery Tokarev
Date: Nov. 7, 2005
Duration: 5 hours, 22 minutes
Spacewalkers: Bill McArthur, Valery Tokarev
Expedition 12 Resources
International Space Station News
![](https://www.nasa.gov/wp-content/uploads/2024/07/crew-9-5657c1.jpg?w=150&h=150&crop=1)
NASA Sets Briefings for Crew-9 Mission to Space Station
![](https://images-assets.nasa.gov/image/KSC-20240226-PH-SPX02_0005/KSC-20240226-PH-SPX02_0005~large.jpg?w=1920&h=1280&fit=clip&crop=faces%2Cfocalpoint)
Experience the Launch of NASA’s SpaceX Crew-9 Mission
![](https://www.nasa.gov/wp-content/uploads/2024/07/crew-9-in-cockpit.jpg?w=150&h=150&crop=1)
NASA, SpaceX Invite Media to Watch Crew-9 Launch to Space Station
![](https://www.nasa.gov/wp-content/uploads/2024/07/51814542959-424b06b4a8-k.jpg?w=150&h=150&crop=1)
NASA to Provide Background on Space Station Deorbit Planning