STS-121: Meaning (information, definition, explanation, facts)

Crew

• Steven W. Lindsey(4), Commander
• Mark E. Kelly(2), Pilot
• Michael E. Fossum(1), Mission Specialist
• Piers Sellers(2), Mission Specialist

Astronaut Piers Sellers will replace Carlos Noriega on the STS-121 mission that follows the return-to-flight trip to the International Space Station, NASA announced on Thursday, July 15, 2004. This is due to an undisclosed, temporary medical condition.

Additional crew members that will be dropped off at the ISS will be named later, as will returning ISS crew members.

• Mass: kg
• Perigee: km
• Apogee: km
• Inclination: 51.6°
• Period: min

STS-121 is International Space Station Flight Utilization and Logistics Flight. Alantis will deliver supplies and equipment to the orbital outpost. It will be the first mission to fly following STS-114.

STS-121 was added to the flight schedule to help accommodate the growing list of requirements originally assigned to the Return to Flight mission. The crew will re-supply the International Space Station with equipment and consumables. They will also continue the testing and development of new hardware and procedures designed to make Space Shuttle flight safer.

• Space science
• Space shuttle
• List of space shuttle missions
• List of human spaceflights chronologically