US Army

Black Hawk: Uncrewed helicopter takes to the skies for the first time

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The UH-60 Black Hawk, workhorse of US Army aviation, was flown with no crew for the first time this week, after being fitted with an automated flying system Technology 9 February 2022 By David Hambling A UH-60 Black Hawk helicopter during its first uncrewed flight on 5 February 2022 Ted Carlson/Sikorsky Aircraft The US Defense … Read more

Depleted uranium: US arms maker ends production of controversial weapons

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By David Hambling US Army M1 Abrams tanks use depleted uranium rounds Stocktrek Images, Inc./Alamy The maker of a controversial depleted uranium weapon used by the US Army has said that it is ceasing production. Depleted uranium (DU) is an extremely strong and dense metal that is able to pierce armoured vehicles, making it the … Read more

GPS: US Navy is developing navigation based on cosmic rays for the Arctic

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At higher latitudes, traditional GPS navigation is not reliable, but muons produced when cosmic rays hit Earth’s atmosphere could be used to navigate in the Arctic, as well as underground or in the water Technology 7 December 2021 By David Hambling An artist’s representation of high-energy cosmic rays colliding with Earth MARK GARLICK/SCIENCE PHOTO LIBRARY/Alamy … Read more