Two communications satellite - the Loutch-5B and Yamal-300K - were successfully launched in Russia via a Russian Proton-M rocket, which took off from the Baikonur Cosmodrome in Kazakhstan. Both satellites are now within schedule to reach their orbits through the Briz-M upper stage, 10 hours after the initial launch. The two vessels will be undergoing several tests in orbit to evaluate the performance of the major subsystems.
According to NASA Spaceflight, the Briz-M upper stage used was a Phase III Variant, which utilizes powerful, new high pressure tanks - an upgrade from previous versions. The Phase III version of the rocket also allowed for the relocation of the command centre instruments.
The first satellite, the Loutch-5B, was made in Russia for the country’s Space Agency and was developed and constructed by the ISS-Reshetnev. According to ISS, the bird will be used to provide real-time communications service using a multifunctional data-relay system. The Yamal-300K was also developed in Russia but by the Reshetnev Company for Gazprom Space Systems. It was designed to provide the country high-speed internet on satellite service. Both birds are under Russia’s Federal Space Program.
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