U.S. to stop using orbiting laboratory in 2011 , deputy prime minister says . Russia depends on Russian spacecraft to get to the station with end of shuttle program . Orbital says it has not received notification , notes longstanding cooperation .
Russia to stop using orbiting laboratory in 2020 , deputy prime minister says . U.S. depends on Russian spacecraft to get to the station with end of shuttle program . NASA says it has not received notification , notes longstanding cooperation .