This was the 10th anniversary of a constant human presence aboard the station . It 's now the longest continuously lived - in space station in history . The station 's fate is uncertain as the U.S. prepares to end its shuttle program .
Monday was the 10th anniversary of a constant human presence aboard the station . It 's now the longest continuously lived-in space vehicle in history . The station 's future is uncertain as the U.S. prepares to end its shuttle program .