The crew landed back in Kazakhstan on 8 April 2006 with the addition of the first Brazilian astronaut, Marcos Pontes.
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In April 2006, Expedition 12 Commander Bill McArthur and Expedition 13 flight engineer Jeffrey Williams tested a new method of preparing for spacewalks by "camping out" or spending the night in the Quest airlock.
Flight Engineer Marcos Pontes joined the TMA-8 crew for the ascent and docking with ISS, spent approximately seven days aboard the ISS conducting experiments, then returned to Earth with the outgoing members of Expedition 12 aboard Soyuz TMA-7.