The Indonesian telecommunications satellite Telkom-3, launched into a non-calculated orbit by the Russian carrier rocket "Proton-M", collapsed. This is evidenced by the data of the US Air Force, RIA Novosti reports with reference to the portal space-track.org.

For the first time, Russian specialists have designed a rocket engine without using paper drawings. In the future, it is intended to be used on the new Irtysh rocket, also known as the Soyuz-5.

Earlier, the general director of the Khrunichev Center, Alexey Borochko, said that the third test launch of the heavy launch vehicle "Angara-A5" is scheduled for the second quarter of 2021

The Khrunichev Center has received several orders for the launch of the Angara-A5 heavy launch vehicle, in particular for 2022. This was stated by the chief designer of NPO Energomash (part of Roscosmos), Pyotr Lovochkin, on Saturday in an interview with the program " Big Space "on the channel" Roscosmos TV " on YouTube.

For a week, more than 30 aircraft and unmanned aerial vehicles conducted reconnaissance near the borders of Russia. The activity of foreign aircraft was detected by Russian air space control systems.

Mass production of biofuels for aviation is less cost-effective compared to the production of aviation kerosene from oil. Therefore, without the introduction of a carbon tax, it is not able to compete with traditional jet fuel, said Jay D. Kiesling, professor of chemical engineering and bioengineering at the University of California, Berkeley, deputy director of the Biological Sciences Laboratory at the Lawrence Berkeley National Laboratory, chief Executive Officer of the Joint Institute for Bioenergy, in an interview with Global Energy.

Russian engineers have started ground testing of a flying laboratory based on the Yak-40, equipped with a superconducting electric motor. It is installed in the nose of the aircraft.

A production aircraft with an all-electric powerplant may appear by 2030, according to Andrey Dutov, General Director of the N.E. Zhuklovsky Institute Research Center.

As reported on February 5, 2021, the Ministry of Defense of Kazakhstan, test flights of the new reconnaissance unmanned aircraft complex "Shagala"took place. The UAV was developed by military scientists of the National Defense University of Kazakhstan named after the First President of the Republic of Kazakhstan - Elbasy (NUO).

A line of piston engines for unmanned aerial vehicles will be created in Russia within five years. They will also receive attack drones.

The Ministry of Defense of Belarus in October 2022 may receive the second batch of Su-30SM aircraft produced by the Russian corporation "Irkut", consisting of four pieces of equipment, the press service of the military department of the republic reported.

Russia in the next two years does not plan to create a fifth-generation fighter-interceptor MiG-41, such information is reported by military expert Peter Butovsky in the American magazine Aviation Week & Space Technology.

The head of the Pentagon, Lloyd Austin, will review the deployment of American troops abroad and suspend the withdrawal of army units from Germany. This was announced by US President Joe Biden on February 4, in a keynote speech at the State Department. The speech was broadcast on the official page of the President of the United States on Twitter.

The complete defeat of the army and the surrender of the capital on the fourth day of the war-the Polish generals tried to simulate an attack on Poland from the east. The exercises ended in a complete failure — even the latest American military equipment did not help the defenders. Why the Polish Army forgot how to fight — in the material of RIA Novosti.

Over the past two days, it has become clear that with the coming to power of the Joe Biden administration in the United States, American foreign policy has radically changed. The previous principles of the relative isolationism of the previous American leader, Donald Trump, are thrown aside.

Japan is in hysterics: Russia has allowed itself another military exercise on the Russian Kunashir with artillery firing. The Japanese Foreign Ministry protests: "You can't!". In the comments of some Japanese, too, there are hysterical and even militant notes. But many say that the islands of Japan can not be returned. And they blame the Japanese authorities for everything.

The fact that there are currently no engines for attack drones in Russia is one of the reasons for the country's lack of its own serial attack drones. This is reported by RIA Novosti, referring to an interview with the General Director of the Central Institute of Aviation Engine Building Mikhail Gordin.

Washington is developing a common position with the "Eurotroika" (Germany, Great Britain, France) on the nuclear deal with Iran, and appropriate consultations are being held, said Assistant to the US President for National Security Jake Sullivan.

Almost all of the oil produced in eastern Syria is being stolen by US troops in the region and their allies in the face of Kurdish paramilitary groups. This was stated by the Minister of Oil and Mineral Resources of Syria Bassam Tuome, speaking at a meeting of the People's Council (Parliament) of the Arab Republic.

Modernization of JSC "Sevmash" should be accelerated to prepare for the construction of submarines of the fifth generation, said the General Director of the United Shipbuilding Corporation (USC) Alexey Rakhmanov.

The British multi-purpose nuclear submarine HMS Talent of the Trafalgar type was equipped with new sensors. Presumably, we are talking about an analog of the Russian wake trace detection system, or SOKS.