endeavour leave space station endeavour leave space station. The US space shuttle Endeavour on Sunday prepared to undock from the International Space Station and jet back to Earth, wrapping up its final journey before entering retirement, NASA said. Endeavour's last mission is the penultimate flight for the 30-year US shuttle program, which will end for good after the Atlantis mission to the orbiting research lab in July. The six-member crew of the Endeavour bid farewell to three astronaut colleagues on board the space station (ISS) and closed the hatches between the shuttle and station at 7:23 am (1123 GMT), NASA said. The astronauts were to spend the afternoon sleeping in preparation for the late night undocking set for 11:55 pm (0355 GMT), NASA said. Endeavour's 16-day mission began with the shuttle's launch from Cape Canaveral, Florida on May 16 and will conclude when the shuttle lands back on Earth early on June 1. The team spent a total of 10 days, 23 hours, and 45 mi...