Two International Space Station crew members have begun a spacewalk that includes removal and jettison of a refrigerator-size ammonia reservoir. The Early Ammonia Servicer (EAS) weighs a little over 1,400 pounds on Earth. The jettison will be much like that of the stanchion equipment. Anderson will shove the EAS opposite the station’s direction of travel at a minimum velocity of about seven inches (17 cm) per second.
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