NASA astronaut Chris Cassidy waves good-bye to his crewmates in the Poisk Mini-Research Module 2.
ISS036-E-048261 (10 Sept. 2013) — NASA astronaut Chris Cassidy, Expedition 36 flight engineer, waves good-bye to his crewmates in the Poisk Mini-Research Module 2 (MRM2) of the International Space Station as Cassidy, along with Russian cosmonauts Pavel Vinogradov (left, mostly out of frame) and Alexander Misurkin (out of frame) prepare to depart from the station and return to Earth.