
Expedition 63 crewmember Chris Cassidy of NASA lays flowers March 27 at the site where the tree bearing the name…

Expedition 63 prime and backup crewmembers raise the Russian, U.S. and Kazakh flags March 26 in a traditional ceremony.

Expedition 63 prime and backup crewmembers raise the Russian, U.S. and Kazakh flags March 26 in a traditional ceremony.

Cosmonaut Yuri Malenchenko presides over the traditional flag-raising ceremony March 26 as part of pre-launch activities for the Expedition 63…

Expedition 63 prime and backup crewmembers raise the Russian, U.S. and Kazakh flags March 26 in a traditional ceremony.

Expedition 63 prime and backup crews attend the traditional flag raising ceremony March 26 as part of their pre-launch activities.

NASA astronaut and Expedition 62 Flight Engineer Jessica Meir works on the Major Constituent Analyzer, a device that measures the…

NASA astronaut and Expedition 62 Flight Engineer Jessica Meir works on the Major Constituent Analyzer, a device that measures the…

NASA astronaut and Expedition 62 Flight Engineer Andrew Morgan retrieves gut microbe samples.

NASA astronaut and Expedition 62 Flight Engineer Andrew Morgan retrieves gut microbe samples from a science freezer.