Last Flight of Space Shuttle Discovery: STS-133

NASA's space shuttle Discovery has flown its last mission after 27 years of spaceflight. On Feb. 24, 2011, Discovery blasted off on the STS-133 mission - a 14-day flight to the International Space Station. It was the 133rd NASA shuttle flight and 39th flight of Discovery. Relive the final voyage of space shuttle Discovery as it heads to a museum for public display.