Expedition 59 crew member Christina Koch tests her vestibular system.
Expedition 59 backup and prime crew members.
Expedition 59 crew member Christina Koch waters a tree.
Expedition 59 crew member Nick Hague poses in front of a tree.
Expedition 59 crew members pose for pictures March 7.
Expedition 59 crew member Christina Koch plants a tree.
Expedition 59 crew member Nick Hague flashes a thumbs-up signal.
Expedition 59 crew member Nick Hague tests his vestibular system.
Expedition 59 backup crew member Drew Morgan tests his vestibular system
Cosmonauts Alexander Skvortsov and Alexey Ovchinin play a game of ping-pong.
