 No launch date has yet been announced.In November 2016, the "International Business Times" published an unconfirmed report that the U.S. government was testing a version of the EmDrive on the Boeing X-37B and that the Chinese government has made plans to incorporate the EmDrive on its orbital space laboratory Tiangong-2.The US Air Force has only confirmed that the X-37B mission in question did an electric propulsion system test using a Hall-effect thruster, a type of ion thruster that uses a gaseous propellant.