The Federal Aviation Administration of the United States until the end of 2021 will begin testing on-board collision warning systems with drones for passenger aircraft. According to Flightglobal, the systems will be tested at five international airports: Atlantic City in New Jersey, Columbus in Ohio, Huntsville in Alabama, and Seattle/Tacoma in Washington and Syracuse in New York.

Scientists hope to understand how this supernova was so far from the disk of our Galaxy

TASS, March 3. The Spektr-RG orbiting observatory has discovered the largest known supernova remains in the constellation Hydra, which is located far beyond the boundaries of the Milky Way disk. The article describing the study was accepted for publication by the scientific journal Astronomy & Astrophysics.

Experts will begin construction of the first hotel in space in 2025. This is stated in the publication of the Daily Mail on March 1. It is specified that the hotel will be designed for 400 people.

One of the key factors in the development of the Starlink project from SpaceX is a grant from the US Federal Communications Commission, which allocated $885.51 million for this. In return, Elon Musk pledged to provide Internet access to 642,925 homes and businesses in remote corners of 35 states of America. Competitors in the face of other providers challenged this decision, arguing that Starlink will not be able to provide the required minimum speed of 100 Mbit/s. Technically, so far it is, but the other day Elon Musk made a revolutionary statement.

Czech company RETIA at the IDEX-2021 exhibition in Abu Dhabi demonstrated a multi-purpose three-axis radar ReGUARD, designed to detect and track ground and low-flying air targets.

The Chinese military industry has created several types of portable anti-tank missile systems of the third generation, which are analogs of the American FGM-148 Javelin.

The most famous of them is the Red Arrow-12 ("Red Arrow-12"), which has been in mass production for 6 years. Last year, it was reported about the beginning of export deliveries - Algeria purchased the first batch.

In the future, the T-14 Armata tank will be a more formidable weapon than the T-90M Proryv, since the new tank will use more advanced technologies to protect the combat vehicle, Alexander Mikhailov, director of the Bureau of Military-Political Analysis, told Izvestia on March 3.

Romania received the American M142 HIMARS complexes. March 2, portal defence-blog.com He reported that the first batch of rocket launchers had already arrived in the country and was being sent to the 81st Tactical Operational Missile Battalion stationed in Fokshany.

The development and introduction of three-dimensional printing is called the industrial revolution. Printed parts are lighter and stronger, raw materials are used without waste, there is no need to modify the finished products with a"file". Additive technologies are used for the manufacture of elements of turbojet and helicopter engines, combustion chambers. The state, prospects and development of additive technologies were discussed at an open table organized by the D. I. Mendeleev Russian State Technical University.

PSZ " Yantar "(part of the USC) has completed the dock repair of the small amphibious landing ship"Yevgeny Kocheshkov". The work was completed in the shortest possible time and with high quality.

The Commander-in-Chief of the Russian Navy, Admiral Nikolai Evmenov, made a working trip to the Northern Fleet and checked the progress of construction of nuclear submarines at the Sevmash enterprise, the press service of the Russian Defense Ministry reported on Wednesday.

Another control exit of the submarine into the sea is planned, the source told TASS

The lead nuclear submarine of the project 885M ("Ash-M") "Kazan" will be transferred to the Russian Navy (Navy) approximately in May-June 2021. This was reported to TASS by a source in the military-industrial complex.

In Japan, a ceremony was held to launch a Mogami-class frigate. In the future, the country intends to build several dozen such ships.

The URO (151) frigate "Antonio Luna" of the Jose Rizal class, built by the South Korean company Hyundai Heavy Industries (HHI), arrived in Manila.

The US submarine USS John Warner in 2018 prepared to attack Russian ships off the coast of Syria. This was reported by the Fox News channel.

Murder, rape, theft, and fighting-the US Marines continue to terrorize the population of the island of Okinawa, which is home to the largest US military installations in Japan. Neither the courts nor their own command are able to calm the "elite troops".

A multi-purpose unmanned complex "Molniya", the jets of which will be launched by a swarm from a carrier aircraft, is being developed in the interests of the Russian Aerospace Forces, a source in the military-industrial complex told RIA Novosti.

Russian engineers are working on a promising UAV AR-10 "Argument", made on the basis of the training aircraft SR-10.

Iran's Defense ministry has delivered dozens of planes, helicopters and jet engines to the Islamic Republic's Air Force in accordance with plans to increase the combat power of the country's forces, the Mehr news agency reports.

The American company SkyMule has shown tests of a drone that helps builders prepare rebar for pouring concrete. It independently flies over the laid rebar and binds the bars, saving workers ' time.