A Ukrainian spy who tried to buy spare parts for S-300 anti-aircraft missile systems in Russia for 163 thousand dollars was sentenced to 10 years in a penal colony in Kuban, the FSB of Russia reported on Monday.

In Russia, the combat robot "Udar", created on the basis of the BMP-3, is being tested.

During the tests, the issues of its interaction with other promising unmanned ground complexes "Uranus", "Nerekhta" and "Soratnik", as well as aerial drones, are being worked out.

In Serbia, they worked on their own new-generation tank, which received the preliminary designation M-20UP1. Information about this was announced in the summer of 2015.

At the same time, several images of a promising machine were made public, which outwardly very much resembled the T-14 on the heavy unified Armata platform.

Specialists of the Research Center at the state aerospace company China Aerospace Science and Industry Corp (CASIC) have developed an exoskeleton for firefighters involved in extinguishing forest fires.

On April 23, the Military Innovation Technopolis "ERA "summed up the results of the III All-Russian Scientific and Technical Conference dedicated to the state and prospects of the development of modern science in the field of"Information Security".

The first navigation spacecraft of the new generation, Glonass-K2, will be launched into orbit at the end of 2021. This is reported by TASS with reference to the general director of the company "Information Satellite Systems named after M. F. Reshetnev" Nikolai Testoedov.

The Washington Post reports that the Pentagon has transferred 175 million IP addresses to an unknown firm. Global Resource Systems has gained control of 6% of all identifiers on the Internet. As a result, according to this indicator, the company surpassed the largest providers in America, the Izvestia TV channel reports.

On April 23, the frigate Admiral of the Fleet Kasatonov arrived in Severomorsk, the main base of the Northern Fleet, from its first long-distance campaign.

The Commander-in-Chief of the Russian Navy, Admiral Nikolai Evmenov, made a planned working trip to Severodvinsk on April 24.

The Commander-in-Chief of the Russian Navy, Admiral Nikolai Evmenov, on April 23 in Severomorsk summed up the results of the interspecific command and staff exercise (KShU), which took place under his leadership in the Northern Fleet.

Two large amphibious assault ships of the Northern Fleet, the Alexander Otrakovsky and the Kondopoga, remain in the Black Sea after major exercises near Crimea, the Russian military said on Monday.

The crews of the landing boats "Ivan Kartsov", "D-704" and "D-57" and "D-107" of the brigade of landing ships of the Pacific Fleet for two days conducted joint tactical and special training with the Marine Corps units on loading and unloading the landing troops on the unequipped coast of Russian Island.

At the Hong Ha shipyard in Haiphong (Vietnam), the launch ceremony of the first high-speed patrol boat, which is being built in Vietnam for the country's Coast Guard with technical and financial assistance from India, was held.

The Indonesian navy simultaneously lost a combat submarine and 53 sailors. On April 24, the press service of the Indonesian Navy announced the official death of the submarine Nanggala-402, lost last week.

The United States is ending one of the longest wars in its history. Yesterday, April 25, the Reuters news agency reported that the US military has begun the process of curtailing its presence in Afghanistan.

The melting of glaciers due to climate change led to the shift of the earth's axis and geographical poles, which occurred in the 90s of the XX century. This conclusion was reached by scientists from the University of the Chinese Academy of Sciences, the results of the study are published in the journal Geophysical Research Letters. Briefly about the scientific work is described in the press release on Phys.org.

The Prosecutor General's Office of Russia has revealed the facts of the failure of the Ministry of Industry and Trade of the terms of import substitution in some areas of the defense industry, it is planned to conduct a large-scale audit, said the head of the supervisory department Igor Krasnov.

On April 22, the Department of Public Procurement of the Ministry of Defense of the Russian Federation held an interdepartmental conference on the specifics of procurement, including within the framework of the state defense order, at the Patriot Convention and Exhibition Center (Kubinka).

The control check of combat readiness of more than 15 thousand servicemen of the Guards Tank Army of the Western Military District for the winter training period was successfully completed. The exercises were held on the territory of the Moscow, Nizhny Novgorod, Smolensk, Yaroslavl, and Ivanovo regions.

Russian President Vladimir Putin has signed a law giving the children of law enforcement officers and Rosgvardiya servicemen the preferential right to enroll in departmental universities. The text of the document is published by Rossiyskaya Gazeta.