John M. Grunsfeld
Videos
John Mace Grunsfeld is an American physicist and a former NASA astronaut. He is a veteran of five Space Shuttle flights and has served as NASA Chief Scientist. His academic background includes researc
Grunsfeld in 2000
John Grunsfeld during STS-109, March 4, 2002
John Grunsfeld works on the Hubble Space Telescope during STS-125, May 14, 2009
STS-103
Videos
STS-103, the 96th launch of the Space Shuttle and the 27th launch of Space Shuttle Discovery, was Hubble Space Telescope Servicing Mission 3A. It launched from Kennedy Space Center, Florida, on 19 Dec
John M. Grunsfeld
…the then-recent film Apollo 13, after which they realized the call was from space and the government van in question was, in fact, the Space Shuttle. STS-103 Space Shuttle Discovery (December 19–27, 1999) was an eight-day mission during which the crew successfully installed new gyroscopes and scientific…
Grunsfeld and Smith replacing gyroscopes on Hubble during the mission's first EVA
Left to right; C. Michael Foale, Claude Nicollier, Scott J. Kelly, Curtis L. Brown Jr., Jean-Francois Clervoy, John M. Grunsfeld and Steven L. SmithSpace Shuttle program← STS-93 (95)STS-99 (97) → Hubble Space Telescope missions← STS-82 (SM2)STS-109 (SM3B) →
STS-103 launch
STS 133 Space Shuttle Discovery after undocking 3