Spacewalkers Extract Failed Pump
By Mark Carreau
HOUSTON — Spacewalking Expedition 24 astronauts Doug Wheelock and Tracy Caldwell Dyson succeeded Aug. 11 in removing a failed cooling system pump module from the vaulting truss of the International Space Station.
They were prevented from separating the bulky 780-lb. pump from the station’s Loop A cooling system during an Aug. 7 outing, when one of four cooling lines they were ...
