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Clayton Conrad Anderson

 Total EVAs:  6
 Total EVA time:  38h 28m

No. Date Together with Time Main tasks and notes
 1  23.07.2007  F. Yurchikhin  7h 41m
Replacing a failed power controller on the station's truss, jettison a refrigerator-sized ammonia reservoir tank and clean seals on a docking port on the Unity module
 2  15.08.2007  R. Mastracchio  5h 28m
Preparing for the relocation of the P6 truss segment on the STS-120 mission, moving two equipment carts from the right to left side of the station and relocating an antenna and upgrade avionics and communication systems.
 3  18.08.2007  D. Williams  5h 02m
Installing support equipment on the S1 truss that will allow for an addition to the inspection boom during the STS-123 mission, and installing a system to provide better wireless video coverage during future missions
 4  09.04.2010  R. Mastracchio  6h 27m
The crew inside removed a new ammonia tank from shuttle's payload bay and temporarily stowed it on the station. Next, the pair installed a grapple bar to the new ammonia tank on the station's truss. The pair also replaced a failed gyroscope that is part of the station's navigation system.
 5  11.04.2010  R. Mastracchio  7h 26m
The astronauts removed the empty ammonia tank from the station's truss and temporarily stowed it on an equipment cart. The new tank then was installed and connected to the truss for use.
 6 13.04.2010  R. Mastracchio  6h 24m
First they finished the complicated change out of the large ammonia tank assembly. The spacewalkers also removed the grapple bar from the old ammonia tank and stowed it on a spare parts platform.