Luca Parmitano and Karen Nyberg

JSC2013-E-007728 (22 Jan. 2013) --- European Space Agency astronaut Luca Parmitano and NASA astronaut Karen Nyberg, both Expedition 36/37 flight engineers, are pictured during a training session in the virtual reality lab in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. NASA astronaut Shane Kimbrough is visible in the background. Photo credit: NASA