Given the necessity to additionally check the Proton-M carrier rocket components and assemblies, the State Commission decided to postpone the launch of the rocket.
— РОСКОСМОС (@roscosmos) July 29, 2020
The launch is rescheduled for the reserve date and is to take place on July 30, 2020, at 21:25:19 UTC. pic.twitter.com/KiwWPaVT6x