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The six-person Expedition 40 crew of the International Space Station wrapped up the week Friday with more biomedical research, computer upgrades and some final closeout activities following Monday’s Russian spacewalk.

For Commander Steve Swanson and Flight Engineers Alexander Skvortsov and Oleg Artemyev, Friday marked their 150th day in space as they head into the homestretch of their long-duration mission. The trio is scheduled to depart the station aboard their Soyuz TMA-12M spacecraft on Sept. 10 for a parachute-assisted landing in the steppe of Kazakhstan less than 3 ½-hours later.