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STS82-E-5560
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STS82-E-5560

June 3, 2011
On Discovery's aft flight deck, astronaut Joseph R. Tanner keeps up with the progress of his crew's third EVA to service the Hubble Space Telescope (HST). Earlier, wearing an extravehicular mobility unit (EMU), he participated in the second space walk, and he will join Gregory J. Harbaugh on the fourth tomorrow.


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