Also outside of the space station was space-walking astronaut Clay Anderson, who is assigned as one of the crewmembers of the ISS. Mastracchio was sent back into the safety of the space station, while Anderson finished up with his work.

Spacewalkers inspect their gloves every thirty minutes while outside of the space station after a glove was inadvertently cut on an earlier mission.

Most of their work had been completed before the incident occurred. Their primary purpose was to relocate the SASA (S-Band Antenna Structural Assembly), move two CETA (Crew and Equipment Translation Aid) carts, retrieve the MISSE (Materials International Space Station Experiment), and retrieve the P6 Transponder.

It appears that only the MISSE was not retrieved, as originally planned. The fourth spacewalk is scheduled for flight day 10 (Friday, August 17), which will most likely be the time that the MISSE will be retrieved.

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