NATO’s ‘Dynamic Messenger’ test uses 5G mesh to link underwater drones

Sur le même sujet

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  25 juin 2019 | International, Aérospatial

  US Army Deploys New Battlefield Counter-UAS Capability

  Author: Mike Rees The U.S. Army has announced that its Howler counter unmanned aerial system (UAS) capability has achieved Initial Operational Capability, putting critical protection against drones in the hands of soldiers. Howler, a name coined by the U.S. Army, combines the capabilities of Raytheon's Ku band radio frequency system multi-mission simultaneous radar and Coyote unmanned aircraft system. The KuRFS advanced electronically scanned array acquires and tracks all size UAS threats. Coyote works with KuRFS using its advanced seeker and warhead to identify and eliminate UAS threats. “We developed and fielded this system in just 17 months,” said Bryan Rosselli, vice president of Mission Systems and Sensors. “Detecting the drone threat is the first critical step in the counter-UAS kill chain. The combination of precise tracking and engagement of these two proven systems gives the U.S. Army a vital capability to defeat this constantly evolving threat.” In addition to providing advanced situational awareness, precise discrimination and mobility to successfully counter UAS threats, Howler gives the Army singular flexibility to adapt to the quickly changing, multidimensional threat environment. “Test after test proves that our Coyote is an integral solution for defeating the growing number of enemy drones in the skies above the battlefield,” said Sam Deneke, Raytheon Land Warfare Systems vice president. “Protecting soldiers on the ground is a top priority, and this new system truly delivers.” Raytheon's portfolio of sensors, and kinetic and non-kinetic effectors networked into a command and control system covers the full counter-UAS kill chain. https://www.unmannedsystemstechnology.com/2019/06/us-army-deploys-new-battlefield-counter-uas-capability/

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  18 mars 2022 | International, Aérospatial

  L'Inde commence l'assemblage du prototype de l'AMCA, son avion de combat multi rôle de 5ème génération

  L'entreprise d'état indienne HAL (Hindustan Aeronautics Ltd) a annoncé la fabrication du premier bord d'attaque du prototype de l'avion de combat multi rôle indien 5ème génération AMCA (Advanced Medium Combat Aircraft). Le premier vol est prévu « pour 2024-2025 avec une mise en production début 2030 », selon Air & Cosmos. L'AMCA, d'une masse de 25 tonnes, aura une charge utile interne de 1.5 tonne et une charge utile externe de 5.5 tonnes en addition de 6.5 tonnes de carburant. Il sera disponible en version furtive et non furtive. Concernant ses deux moteurs, ses variantes connaîtront deux étapes : une version MK1 équipée des moteurs GE414 qui équipent le LCA Tejas (génération précédente d'avions de combats indiens), puis une version MK2 équipée d'une motorisation plus puissante (110kN, légèrement en dessous du NGF). « Un accord de collaboration devrait être signé prochainement avec Safran ou Rolls-Royce pour le développement de ce moteur », souligne Air & Cosmos, qui rappelle que Safran a déjà travaillé avec HAL sur le développement du moteur Shakti de son hélicoptère ALH. Air & Cosmos du 18 mars

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  2 octobre 2018 | International, Terrestre

  Army Looks to Nature to Improve Body Armor

  By ARL Public Affairs Future soldiers will be better protected in combat by stronger and lighter body armor thanks to innovative work at the U.S. Army Research Laboratory. Materials science engineers are using nature as the inspiration for breakthroughs in additive manufacturing. “My project is to design a system that can 3-D print armor ceramics that will allow production of parts with graded structures similar to an abalone structure in nature that will improve the ceramic armor's toughness and survivability with lower weight,” said Joshua Pelz, a materials science and engineering doctoral candidate at the University of California San Diego. He spent this summer working with Army scientists at ARL's Rodman Materials Science Laboratory at APG to design and build a unique 3-D printer. Two syringes containing distinct, viscous ceramic slurries are connected to a custom-made auger and print head. Pelz took advantage of his computer programming skills to hack into the 3-D printer, tricking it into using its own fan controls to manipulate the ratio of materials being printed. He designed a custom auger and print head and even used the same 3-D printer to create those parts. “Josh found a way to implement our ideas into that machine, take apart machine, take out the polymer FDM heads that are built into it, start to look at how to design the machine to incorporate our ceramic slurries and print those slurries into the head but then he had to do a lot of really basic work looking at how to actually hack the machine,” said Dr. Lionel Vargas-Gonzalez, Ceramics Synthesis and Processing team lead at the laboratory. “We've got people like Josh who were very gifted and talented and can bring all that kind of capability and use a lot to our advantage it's a huge benefit for us.” Current processing techniques used to create ceramic armor are limited by how engineers can combine materials into a stronger composite material. “For ceramics, that's a bit of a challenge because with you can't really do what a one-step additive manufacturing process like you could if a metal or a polymer,” Vargas-Gonzalez said. “We see this as a next avenue for armor because we're going to be able to, in theory, design armor in a way that we can attach multiple materials together into a single armor plate, and be able to provide ways for the armor to perform better than it can be just based on one material alone.” Full article: http://science.dodlive.mil/2018/10/01/army-looks-to-nature-to-improve-body-armor/