![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/2023/02/nasa_meatball_1.jpg?w=150&h=150&crop=1)
NASA Selects International Space Station US Deorbit Vehicle
![](https://www.nasa.gov/wp-content/uploads/2024/06/iss066e099238.jpg?w=150&h=150&crop=1)
Unity in Orbit: Astronauts Soar with Pride Aboard Station
![](https://science.nasa.gov/wp-content/uploads/2024/06/indus.png)
NASA-IBM Collaboration Develops INDUS Large Language Models for Advanced Science Research
![](https://www.nasa.gov/wp-content/uploads/2024/06/epps-in-iss.jpg?w=150&h=150&crop=1)
South Central US Students to Hear from NASA Astronaut Aboard Station