STS-125: Final Shuttle Mission to Hubble Space Telescope: Aug. 7 2008

Aug. 7 STS-125
Space Shuttle Atlantis will fly seven astronauts into space for the fifth and final servicing mission to the Hubble Space Telescope. During the 11-day flight, the crew will repair and improve the observatory's capabilities through 2013.
NASA - STS-125: Hubble Space Telescope Servicing Mission 4
http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/hst_sm4/index.html