NASA Career
Tanner flew aboard the Space Shuttle Atlantis on the STS-66, November 3–14, 1994, performing the Atmospheric Laboratory for Applications and Science-3 (ATLAS-3) mission. ATLAS-3 was the third in a series of flights to study the Earth’s atmosphere composition and solar effects at several points during the Sun’s 11-year cycle. The mission also carried the CRISTA-SPAS satellite that was deployed to study the chemical composition of the middle atmosphere and retrieved later in the mission. Tanner logged 262 hours and 34 minutes in space and 175 orbits of the Earth.
Tanner performed two space walks as a member of the STS-82 crew to service the Hubble Space Telescope (HST) in February, 1997. The STS-82 crew of seven launched aboard Space Shuttle Discovery on February 11 and returned to a night landing at Kennedy Space Center on February 21. During the flight the crew completed a total of 5 space walks to improve the science capability of the telescope and replace aging support equipment, restoring HST to near perfect working condition. The crew boosted HST’s orbit by 8 nautical miles (15 km) before releasing it to once again study the universe. Tanner’s two space walks totaled 14 hours and 01 minutes. The flight orbited the earth 150 times covering 4.1 million miles (6,600,000 km) in 9 days, 23 hours, 37 minutes.
Tanner’s third mission was STS-97 aboard Space Shuttle Endeavour (November 30 to December 11, 2000), the fifth Space Shuttle mission dedicated to the assembly of the International Space Station. While docked to the station, the crew installed the first set of U.S. solar arrays, in addition to delivering supplies and equipment to the station’s first resident crew. Tanner performed three space walks totaling 19 hours 20 minutes. Mission duration was 10 days, 19 hours, 57 minutes, and covered 4.47 million miles (7,190,000 km).
Tanner's fourth mission, STS-115 aboard Space Shuttle Atlantis launched on September 9, 2006. On September 13, he participated in the 5 hour 26 min spacewalk to connect the P3/4 truss to the ISS. STS-115 returned to Earth on September 21, 2006.
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