Crew:
    Yuri Usachyov, Expedition Commander (Russia)
    James S. Voss (USA)
    Susan J. Helms (USA)

Backup Crew:
    Yuri Onufrienko, Expedition Commander (Russia)
    Carl E. Walz (USA)
    Daniel Bursch (USA)

Upload Flight: STS-102

Return Flight: STS-105

Launch Date: 8 March 2001

Station Occupancy: 10 March 2001 - 13 August 2001
    Actual station occupancy dates were staggered. Usachyov moved in 10 March, Voss moved in 12 March, and Helms moved in 14 March. The staggered dates allowed for a smooth transition from one crew to another.

Usachyov was the station's first Russian commander. Helms was the first woman occupant.

Objectives: The crew was the first to begin experiments on the station. Approximately 20% of their time was devoted to experiments.