According to representatives of the state company, the Fregat upper stage was delivered to the Vostochny cosmodrome. It is planned to be used in the future to launch the Skif-D demonstration satellite for broadband Internet access and three Gonets-M devices.
It should be noted that Skif-D will be the first satellite of the Sphere project.
At the same time, Roskosmos noted that work has already begun on the transfer of Fregat in the assembly and test building of the spacecraft and its transfer to storage mode. It is also stated that on the eve of the launch, engineers will perform a full cycle of electrical and pneumatic vacuum tests.
Recall that currently the estimated launch date of the first device of the Sphere group is October 2022.
Source: Ferra
