Khrunichev has informed ILS of the need to postpone the Proton Breeze M launch of the EchoStar XXI satellite previously scheduled for December 28, 2016. A new launch date has not yet been scheduled.
 
Currently the launch vehicle and satellite remain healthy and in a safe configuration at the launch site at the Baikonur Cosmodrome.  ILS will continue to keep you informed as additional information becomes available.