JSC2013-E-065718 (3 July 2013) — NASA astronaut Michael Hopkins (left foreground), Expedition 37/38 flight engineer, speaks to a crowd during a cake-cutting ceremony in the Jake Garn Simulation and Training Facility at NASA's Johnson Space Center. Also pictured (background, from left to right) are NASA astronaut Rick Mastracchio and Russian co
JSC2013-E-065718 (3 July 2013) — NASA astronaut Michael Hopkins (left foreground), Expedition 37/38 flight engineer, speaks to a crowd during a cake-cutting ceremony in the Jake Garn Simulation and Training Facility at NASA’s Johnson Space Center. Also pictured (background, from left to right) are NASA astronaut Rick Mastracchio and Russian cosmonaut Mikhail Tyurin, both Expedition 38/39 flight engineers; Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata, Expedition 38 flight engineer and Expedition 39 commander; Russian cosmonaut Oleg Kotov, Expedition 37 flight engineer and Expedition 38 commander; and Russian cosmonaut Sergey Ryazansky, Expedition 37/38 flight engineer. Photo credit: NASA