In the last several days ISS commander Barry Wilmore worked in the Japanese Kibo lab module on the Aniso Tubule botany experiment that studies how roots adapt to gravity. After lunch, Wilmore went back to more hardware replacement work on the Combustion Integrated Rack that he began Tuesday. At the end of the day he configured a maintenance work area for upcoming operations of another botany study, the Seedling Growth experiment.
Flight Engineer Alexander Samokutyaev worked in the Russian segment venting gas from an air conditioner. He was assisted by his fellow cosmonaut Elena Serova who also installed gas analyzer hardware and cleaned vents. The duo partnered up later in the day for a new chemistry education experiment with participation from Russian school children.
The next Expedition 42 trio waiting to join the International Space Station crew conducted final Sokol launch and entry suit fit checks at the Baikonur Cosmodrome in Kazakhstan. NASA astronaut Terry Virts, Roscosmos cosmonaut Anton Shkaplerov and European Space Agency astronaut Samantha Cristoforetti are making final preparations before Sunday’s launch at 4:01 p.m. EST to the space station aboard the Soyuz TMA-15M spacecraft.