April 19 (UPI) -- NASA astronaut Don Pettit and Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner successfully departed the International Space Station for their return voyage to Earth. The astronaut and cosmonauts departed the ISS at 5:57 p.m. EDT aboard the Soyuz MS-26 spacecraft and will take about 27.5 hours to travel from the space station to the landing area on the steppe of Kazakhstan at 9:20 p.m. EDT on Sunday, according to a NASA press release . Pettit, Ovchinin and Vagner spent 220