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Category: military – Page 70

It reached speeds greater than Mach 5, maybe even Mach 20.

The U.S. Air Force has successfully completed the test of its full prototype operational hypersonic missile at the Elgin Air Force Base off the Southern California coast on December 9, a press release said. The hypersonic missile, dubbed Air-launched Rapid Response Weapon (ARRW), met all objectives of the test flight.

Designed and developed by Lockheed Martin, ARRW, an air-to-ground missile, is a boost-glide vehicle that can strike “fixed, high-value and time-sensitive targets”, as per the press release. The missile can be carried under the wing of an aircraft such as the B-52 bomber.

LockheedMartin/ Twitter.

This latest successful flight test proves the Air-launched Rapid Response Weapon (ARRW)’s design and demonstrates its capability at hypersonic speeds. pic.twitter.com/mpmRWX8S4S— Lockheed Martin (@LockheedMartin) December 12, 2022.

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“The ARRW team successfully designed and tested an air-launched hypersonic missile in five years,” Brig. Gen. Jason Bartolomei, program executive officer for the Air Force’s armament directorate. “I am immensely proud of the tenacity and dedication this team has shown to provide a vital capability to our warfighter.”

Hypersonic weapons can travel at speeds greater than Mach 5 and maneuver mid-flight, making them much harder to track and shoot down than conventional ballistic missiles and capable of penetrating defenses. Russia and China have invested heavily in developing their own hypersonic weapons, and the U.S. military has faced pressure, including from lawmakers, to show more progress on its own hypersonic capabilities.

The successful test of the operational ARRW prototype continues a series of successful tests for the program in 2022, marking a turnaround from a disappointing 2021 that left the effort in trouble.

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Christopher Nolan revealed to Total Film magazine that he recreated the first nuclear weapon detonation without CGI effects as part of the production for his new movie “Oppenehimer.” The film stars longtime Nolan collaborator Cillian Murphy as J. Robert Oppenheimer, a leading figure of the Manhattan Project and the creation the atomic bomb during World War II. Nolan has always favored practical effects over VFX (he even blew up a real Boeing 747 for “Tenet”), so it’s no surprise he went the practical route when it came time to film a nuclear weapon explosion.

“I think recreating the Trinity test [the first nuclear weapon detonation, in New Mexico] without the use of computer graphics was a huge challenge to take on,” Nolan said. “Andrew Jackson — my visual effects supervisor, I got him on board early on — was looking at how we could do a lot of the visual elements of the film practically, from representing quantum dynamics and quantum physics to the Trinity test itself, to recreating, with my team, Los Alamos up on a mesa in New Mexico in extraordinary weather, a lot of which was needed for the film, in terms of the very harsh conditions out there — there were huge practical challenges.”

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According to press releases, it has now been confirmed that the UK will team up with Japan and Italy to develop a new 6th-generation jet fighter called “Tempest.”

Britain, Italy, and Japan said in a joint statement, as reported by Defense News, that they would be working together to create a new sixth-generation fighter. Before this release, there were rumors of such a project under the so-called Global Combat Air Programme (GCAP), but nothing more was known beyond the fact that the partners wanted to have the fighter ready by 2035.

According to the BBC, it is anticipated that the new “Tempest” fighter, as it has been called, will also be able to carry the latest in advanced weaponry.

BAE Systems.

Work has already started on making a combat plane that is fast, quiet, has cutting-edge sensors, and can even use artificial intelligence to help pilots when they are overwhelmed or under a lot of stress. It might also be able to fire hypersonic missiles and fly without a pilot if needed.

Continue reading “Team Tempest: The UK, Japan, and Italy will work together to make a new 6th-gen fighter” | >

A year ago, astronomers discovered a powerful gamma-ray burst (GRB) lasting nearly two minutes, dubbed GRB 211211A. Now, that unusual event is upending the long-standing assumption that longer GRBs are the distinctive signature of a massive star going supernova. Instead, two independent teams of scientists identified the source as a so-called “kilonova,” triggered by the merger of two neutron stars, according to a new paper published in the journal Nature. Because neutron star mergers were assumed to only produce short GRBs, the discovery of a hybrid event involving a kilonova with a long GRB is quite surprising.

“This detection breaks our standard idea of gamma-ray bursts,” said co-author Eve Chase, a postdoc at Los Alamos National Laboratory. “We can no longer assume that all short-duration bursts come from neutron-star mergers, while long-duration bursts come from supernovae. We now realize that gamma-ray bursts are much harder to classify. This detection pushes our understanding of gamma-ray bursts to the limits.”

As we’ve reported previously, gamma-ray bursts are extremely high-energy explosions in distant galaxies lasting between mere milliseconds to several hours. The first gamma-ray bursts were observed in the late 1960s, thanks to the launching of the Vela satellites by the US. They were meant to detect telltale gamma-ray signatures of nuclear weapons tests in the wake of the 1963 Nuclear Test Ban Treaty with the Soviet Union. The US feared that the Soviets were conducting secret nuclear tests, violating the treaty. In July 1967, two of those satellites picked up a flash of gamma radiation that was clearly not the signature of a nuclear weapons test.

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In a press conference that Ars attended today, Department of Defense officials discussed the benefits of partnering with Google, Oracle, Microsoft, and Amazon to build the Pentagon’s new cloud computing network. The multi-cloud strategy was described as a necessary move to keep military personnel current as technology has progressed and officials’ familiarity with cloud technology has matured.

Air Force Lieutenant General Robert Skinner said that this Joint Warfighting Cloud Capability (JWCC) contract—worth $9 billion—would help quickly expand cloud capabilities across all defense departments. He described new accelerator capabilities like preconfigured templates and infrastructure as code that will make it so that even “people who don’t understand cloud can leverage cloud” technologies. Such capabilities could help troops on the ground easily access data gathered by unmanned aircraft or space communications satellites.

“JWCC is a multiple-award contract vehicle that will provide the DOD the opportunity to acquire commercial cloud capabilities and services directly from the commercial Cloud Service Providers (CSPs) at the speed of mission, at all classification levels, from headquarters to the tactical edge,” DOD’s press release said.

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SpaceX revealed a new business segment called Starshield aimed at U.S. national security government agencies. “While Starlink is designed for consumer and commercial use, Starshield is designed for government use, with an initial focus on three areas: Earth observation, communications and hosted payloads,” the company said on its website.

This is a big deal as SpaceX is currently burning through $2 billion/year as it works to develop Starlink and Starship. So SpaceX wouldn’t mind some extra cash!

WASHINGTON — SpaceX on Dec. 2 revealed a new business segment called Starshield aimed at U.S. national security government agencies.

This sector of SpaceX intends to leverage the Starlink internet constellation in low Earth orbit to develop products and services — including secure communications, remote sensing and space surveillance payloads — that are in growing demand by U.S. defense and intelligence organizations.

“While Starlink is designed for consumer and commercial use, Starshield is designed for government use, with an initial focus on three areas: Earth observation, communications and hosted payloads,” the company said on its website.

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The United States Air Force unveiled the B-21 Raider, a high-tech stealth bomber that can carry nuclear and conventional weapons and is designed to be able to fly without a crew on board. The fleet is estimated to cost $203 billion to develop, buy and operate over 30 years, according to Bloomberg, with the US planning to acquire at least 100 of the aircraft.

Much of the features of the warplane are shrouded in mystery, with reports suggesting that it has the potential for an uncrewed flight. A US Air Force spokeswoman said the aircraft was “provisioned for the possibility, but there has been no decision to fly without a crew”.

The first flight by a B-21 is expected to take place next year.

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