In Russian Cosmodrome, the Eastern continues to actively prepare for the launch of the “Soyuz-2.1b” missile, with the Frigate accelerated block and 36 Space devices of OneWeb. On Wednesday, May 26, 2021, specialists of the subsidiaries of Roskosmos state corporation began to perform the operations of the third start day.
Yesterday, work was underway on the schedule of the second starting day, which ended with the general tests – checking the functioning of the starting complex systems with the imitation of the separation of the carrier rocket, its flight to the orbital block separation on the subborital trajectory. 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 16:15 MSK will begin spraying the refueling system of highly concentrated hydrogen peroxide, then the default of filling sleeves to the rocket of space and the final operations.
On Thursday evening, a meeting of the State Commission will be held, following which the decisions will be made to refuel the “Soyuz-2.1b” missile for fuel components and its further start. The launch of the “Soyuz-2.1b” launch vehicle with an overclocking unit “Frigate” and a part of 36 spacecraft of the British company OneWeb is scheduled for May 27, 2021 at 20:43 Moscow time. This will be the fourth fully commercial launch from the Eastern, implemented under the contracts of Glavkosmos (enters Roscosmos) with the European Supplier of the Arianespace launch services (Operator of the OneWeb spacecraft using the Soyuz Wearer) and Starsem for OneWeb from this spacecraft .