It’s a rare image of cooperation in a time of extreme tension between Russia and the US: an American astronaut and two Russian cosmonauts blasted off to the International Space Station on a Russian-operated flight on Wednesday. The men are expected to arrive later on Wednesday for the six month mission which will include five spacewalks and numerous scientific experiments. American Frank Rubio and Russia’s Sergey Prokopyev and Dmitry Petelin took off from the Russia-leased Baikonur cosmodrome in Kazakhstan. Salvadoran-born Frank Rubio is the twelfth Hispanic to fly to the orbital platform. His…