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| STS-125 Shuttle Mission Imagery | |
 high res (2.1 M) low res (94 K) |
JSC2008-E-097091 (1 Aug. 2008) --- Astronauts Mike Massimino (foreground) and John Grunsfeld, both STS-125 mission specialists, practice repairing Hubble Space Telescope hardware during a training session at NASA's Johnson Space Center. |
