The launch of the Proton‑M launch vehicle has been postponed to eliminate shortcomings, but it will not affect the planned scientific program, Roscosmos said in a statement.

"During the planned pre-launch checks of all systems, a local discrepancy was diagnosed in the upper stage of the rocket. The start of the launch vehicle was postponed to eliminate the shortcomings. But the postponement will not affect the planned scientific program and all tasks will be completed," the message says.

According to Ivan Danilov, Roscosmos Deputy Director General, "the scope of work has already been determined. After carrying out the necessary measures, we will continue to prepare the launch vehicle in the normal mode."

The launch of Proton-M with the Electro‑L satellite No. 5 was scheduled for 3:20 p.m. Moscow time on December 15.