| Spacewalks - 4 |
| Space Flights |
Date & Duration |
Purpose |
| STS-109 |
March 5, 2002 |
Repair Hubble Space Telescope - Replace old port solar array with new third-generation
solar array. Replace associated Diode Box Assembly with port solar array.
Replace reaction wheel assembly unit |
| 7 hours 16 minutes |
| STS-109 |
March 7, 2002 |
Repair Hubble Space Telescope - Replace Faint Object Camera (FOC) with
Advanced Camera for Surveys (ACS). Install Electronic Support Module. Finish
cleanup tasks from Power Control Unit installation |
| 7 hours 30 minutes |
|
| STS-125 |
May 15, 2009 |
Repair Hubble Space Telescope - Replace all six gyroscopes. Replace all
three batteries in Bay 2 |
| 7 hours 56 minutes |
| STS-125 |
May 17, 2009 |
Repair Hubble Space Telescope - Repair Space Telescope Imaging Spectrograph
(STIS) |
| 8 hours 2 minutes |