Given the need to additionally check the Proton-M carrier rocket components and assemblies, it was decided to postpone the launch of the rocket with the Briz-M booster and Ekspress-80 and Ekspress-103 Russian telecommunication satellites, website of Roscosmos space agency reports.
Initially, the launch was to take place on July 29 but is now rescheduled for 21:25:19 UTC on July 30, 2020.