International Space Station

Expedition 21

Name: Expedition 21
Start: 2006-10-22
End: 2006-10-22
Location: Baikonur Cosmodrome / Kennedy Space Center

Vehicle: Soyuz / Space Shuttle | Launch Site: Baikonur Cosmodrome / Kennedy Space Center

Mission Overview

ISS Expedition 21 represented an ongoing segment of continuous human habitation in low Earth orbit. The crew conducted microgravity research, maintained the station systems, and hosted visiting commercial supply spacecraft. This expedition contributed to our understanding of long-duration space habitation, preparing humanity for future deep-space voyages.

Multimedia Gallery

Expedition 21 launch operations photography

Official NASA historical record photography for Expedition 21.

Launch Telemetry

Launch Date	2006-10-22
Landing Date	2006-10-22
Duration	180 days
Launch Vehicle	Soyuz / Space Shuttle
Launch Site	Baikonur Cosmodrome / Kennedy Space Center
Spacecraft Mass	420,000 kg (Station mass)
Orbit Type	Low Earth Orbit (LEO)
Mission Status	Success

Historical Program

This mission is cataloged under the International Space Station exploration campaign.

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