On the East spaceport continues, preparations for the launch of the Soyuz-2.1b missile launch with the Frigate acceleration unit and 36 ONEWEB spacecraft. Today, specialists of subsidiaries of the state corporation Roscosmos have begun to perform the operations of the third start day.
On the eve of the work on the schedule of the second starting day, which were completed by conducting general tests – checking the functioning of the starting complex systems with the imitation of the separation of the carrier rocket, its flight to the separation of the orbital block. The main content of the work today is to spray the refueling system of highly concentrated hydrogen peroxide and cooling fuel.
at 03:00 Moscow time (09:00 local time) was monitored by the initial state and charge batteries 36 ONEWEB spacecraft. At 11:15 MSK will begin spraying the refueling system of highly concentrated hydrogen peroxide, then – the default sleeveless sleeves to the space assignment and final operations.
On Thursday, a meeting of the State Commission will be held, following which decisions will be made to refuel the Soyuz-2.1b missile for fuel and launch. The start of the “Soyuz-2.1b” carrier launch vehicle with an overclocking unit “Frigate” and a party of 36 ONEB spacecraft is scheduled for July 1, 2021 at 15:48 Moscow time. This will be the fifth fully commercial start from the Eastern, implemented under the contracts of the company “Glavkosmos” (enters Roscosmos) with the European Supplier of the Arianespace launch services (Operator of the ONEWB spacecraft using the Soyuz Wearer Rocket) and Starsem for OneWeb from this spacecraft .