Image above: Expedition 24 Flight Engineer Shannon Walker is pictured in the orbital module of the Soyuz TMA-19 spacecraft while docked to the International Space Station. Credit: NASA

The Expedition 24 crew had another light-duty day Wednesday as the Loop A cooling system reactivation continued aboard the International Space Station. The reactivation followed Monday’s spacewalk, the third in a series of excursions that began Aug. 7 to remove and replace an ammonia coolant pump module that failed July 31.