Pavel Vladimirovich Vinogradov is a cosmonaut and former commander of the International Space Station. As of May 2013, he has flown into space three times, aboard Mir and the International Space Station, and is one of the top 10 astronauts in terms of total time in space. Vinogradov has also conducted seven spacewalks in his cosmonaut career, and holds the record for the oldest person to perform a spacewalk.