Spacewalk 4
Date:February 16-17, 1997 Duration: 6 hours, 34 minutes Astronaut Team: (NASA Photos) Spacewalk Report:  Astronauts Harbaugh and Tanner replaced the Solar Array Drive Electronics package which is used to control the positioning of Hubble's solar arrays. The astronauts also repaired the telescope's torn outer protective layer.	15 sec. QuickTime movie Large screen version - 2.7M Small screen version - 646K

Spacewalk 5
Date:February 17-18, 1997 Duration: 5 hours, 17 minutes Astronaut Team: (NASA Photos) Spacewalk Report:  Astronauts Lee and Smith attached several thermal insulation blankets to three equipment compartments at the top of the Support Systems Module section of Hubble which contain key data processing, electronics and scientific instrument telemetry packages.	15 sec. QuickTime movie Large screen version - 1.3M Small screen version - 403K

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