On February 24, 2011 at 21:53 UTC the American Space Shuttle"Discovery” (STS-133) was launched from Kennedy Space Center (LC39A), Florida, USA.
The crew consists of 6 American astronauts: Steven Lindsey, Eric Boe, Benjamin Drew, Michael Barratt, Stephen Bowen, Nicole Stott.
The Shuttle is to deliver to the ISS the Permanent Multipurpose Module, with extra storage space and an area for experiments, as well as some spare parts and the Express Logistic Carrier, an external platform for large equipment.
The shuttle will also bring the first humanoid robot to the ISS. The Robonaut 2, or R2, is a joint project of General Motors and NASA and will stay behind when Discovery leaves as a permanent resident of the space station.
It is the 39th flight of Discovery as well as the last its flight.