Cosmonauts:
    Upload:
        Pavel V. Vinogradov [2], Commander
        Jeffrey N. Williams [2], Flight Engineer (ISA)
        Macros C. Pontes [1] (Brazil)
    Download:
        Pavel V. Vinogradov
        Jeffrey N. Williams
        Anousheh Ansari
Backup:
    Fyodor N. Yurchikhin
    Edward M. Fincke
Launch:
    Date: 30 March 2006
    Time: 02:30:20 UTC
Landing:
    Date: 29 September 2006
    Time: 01:13:37 UTC
Duration: 182 days, 22 hours, 43 minutes
Docked: 1 April 2006 - 28 September 2006
Call Sign: Carat

Soyuz-TMA 8 is the replacement for Soyuz-TMA 7. The Soyuz is used as a lifeboat for the ISS. Because of fuel degradation, the Soyuz needs to be replaced every six months.