At the Baikonur Cosmodrome in Kazakhstan pose for pictures with replicas of the launch key used to begin a Soyuz booster engine ignition sequence.

At the Baikonur Cosmodrome in Kazakhstan, Expedition 52-53 crewmembers Paolo Nespoli of the European Space Agency (left), Randy Bresnik of NASA (center) and Sergey Ryazanskiy of the Russian Federal Space Agency (Roscosmos, right) pose for pictures with replicas of the “launch key” used to begin a Soyuz booster engine ignition sequence July 24 as part of traditional pre-launch activities. They will launch July 28 aboard the Soyuz MS-05 spacecraft for a five-month mission on the International Space Station. Credit: NASA/Victor Zelentsov