Expedition 42 crew members take a break from training at NASA's Johnson Space Center to pose for a crew portrait. Pictured on the front row are NASA astronauts Barry Wilmore (left), commander; and Terry Virts, flight engineer. Pictured from the left (back row) are Russian cosmonauts Elena Serova, Alexander Samoukutyaev and Anton Shkaplerov and European Space Agency astronaut Samantha Cristoforetti, all flight engineers.