On Tuesday, June 29, 2021, on the cosmodrome, the Eastern calculations of subsidiaries of the State Corporation Roscosmos began work under the program of the second starting day as part of the launch of the next party of ONEWEB mission spacecraft No. 48. Yesterday, the export of Sospace Rocket Soyuz-2.1 took place yesterday b / frigate / oneWeb on the starting complex “Union” and then hit a mobile service tower.
On Tuesday, the active phase of preparation for the launch, which is scheduled for the first day of July, continues. At 02:00 Moscow time (08:00 on the local) specialists took jobs and began checking the initial state. At the moment, the “Taris” mode was carried out, the initial state and the charge of the ONEB spacecraft batteries, as well as the control set of the startup preparedness of the Overclocking block “Fregat”, which was developed in the Scientific and Production Association of S.A. Lavochkina (part of the state corporation “Roskosmos”).
In the afternoon, general tests will be held, where the carrier rocket flight is simulated before separating the head unit in an near-earth orbit. At the next stage of pre-training, telemetry information is analyzed and the final operations on the starting complex.
On the starting complex for the Soyuz-2 carrier missiles, the Eastern cosmodrome is equipped with a stationary refueling system and an automated technological equipment management system. For the first time in the history of Russian cosmonautics, a mobile serving tower of 1,600 tons and a height of 52 meters is used. With it, it is carried out on the preparation for the start in the most difficult climatic conditions. Head Developer of the Start Complex – Research Institute of Starting Complex named after V.P. Barmin (branch of the center of exploitation of land-based space infrastructure facilities is included in Roscosmos).