Enjeux de l'exportation française d'armements

On the same subject

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  February 6, 2020 | International, Aerospace

  Les États-Unis développent les "Gremlins", de nouveaux drones déployables directement en vol

  Via leur agence chargée du développement de technologies militaires, les États-Unis mettent au point un nouveau type de drone. Les X-61A, ou "Gremlins" pour les intimes, sont de petits engins déployés en groupes et directement en vol à l'aide d'avions C-130. L'agence américaine chargée du développement de nouvelles technologies militaires (Darpa) a annoncé à la mi-janvier avoir effectué avec succès les premiers essais d'un nouveau type de drone, capable d'être largué et récupéré par un avion en plein vol. Le test initial se serait déroulé en novembre dernier. Après avoir été l'ché par un C-130A, l'engin X-61A aurait volé durant un peu plus d'une heure et demie. Ce test constitue la troisième phase d'un programme baptisé Gremlins, dont l'objectif est le développement d'une nouvelle gamme de drones sans pilote, déployés en nuées, réutilisables et peu coûteux à produire. Les flottes pourraient être déployées depuis des avions éloignés des thé'tres d'opération, afin de garantir une meilleure sécurité pour les opérateurs. Une fois leurs missions terminées, les "Gremlins" seraient récupérés directement dans les airs, avant de passer une journée de réparation et de repartir. Un drone perdu lors des essais L'essai de novembre a permis aux équipes de collecter suffisamment de données sur les performances, le fonctionnement et les systèmes de commandes et de contrôles aériens et terrestres des drones. Une anomalie de parachute a entraîné la perte de l'un des cinq appareils. Les quatre autres restent cependant opérationnels et disponibles pour d'autres séries de tests, prévus pour cette année. La prochaine étape du programme comprendra une évaluation complète des données récoltées, ainsi que l'analyse de l'échec du déploiement du parachute du cinquième drone. S'ensuivra un nouveau vol d'essai durant le printemps au Dugway Proving Ground, un site de tests de l'armée américaine situé dans l'Utah. D'autres avions pourraient servir pour le transport des engins Les X-61A "Gremlins" sont développés par la société californienne Kratos Defense & Security Solutions, en collaboration avec, l'entreprise Dynectics, située dans l'Alabama et spécialisée dans les systèmes informatiques. Conçu par Lockheed Martin, le C-130 est, pour le moment, l'unique appareil servant aux essais des Gremlins. Mais les services en charge du programme envisagent d'adapter d'autres avions pour le transport des drones. Les X-61A peuvent emporter jusqu'à 70 kg de capteurs chacun, ce qui leur permet d'effectuer un grand nombre de missions différentes. https://www.usinenouvelle.com/article/les-etats-unis-developpent-les-gremlins-de-nouveaux-drones-deployables-directement-en-vol.N926169

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  March 10, 2020 | International, C4ISR

  Pentagon Seeks New SatCom Tech For ‘Fully Networked C3’

  "Our fully networked C3 [Command, Control, & Communications] will look completely different" from current satellites and terminals, said OSD's Doug Schroeder. By THERESA HITCHENS SATELLITE 2020: The Pentagon wants industry ideas on how to craft a “fundamentally new architecture” for command, control and communications (C3) that will allow “any user using any terminal to connect to any other user using any other terminal,” says Doug Schroeder, who oversees the effort under the Office of Research and Engineering (R&E). This kind of omnipresent, all-service connectivity across land, sea, air, and space is essential for the Pentagon's rapidly evolving of future war, known as Joint-All Domain Operations. “Our Fully Networked C3 communications will look completely different. We have a new vision. We're crafting it with the help of industry,” he said. “We're relying on very heavily on industry, starting with this Broad Agency Announcement dated March 6,” which asks for companies to submit white papers in short order. According to Schroeder, the Space Development Agency (SDA) will be the funding authority. Vendors whose short, 10 to 15 page white papers are chosen will be invited at the end of April to a Pitch Day. Winners then will be given three months to develop a proposal; contracts for prototypes will be granted 24 months later. Speaking to a relatively sparse audience here at the annual commercial satellite industry conference, Satellite 2020 — which is underway despite the threat of the COVID-19 Coronavirus — Schroeder stressed: “We are going to take our new direction from you.” The new strategy, called Fully Networked C3 (FNC3), is being spearheaded by R&E director Mike Griffin and his assistant director for FNC3, Michael Zatman. According to the BAA, the first issued under the effort, the new strategy is being designed to “enable the DoD to reliably communicate with all its tactical and strategic assets.” C3 is one of Griffin's Top Ten areas of technology innovation for which DoD is developing an agency-wide development strategy. Specifically, DoD now is looking for “Beyond-Line-Of-Site (BLOS) communications systems for airborne, surface, and subsurface systems that is [sic] compatible with both FNC3 enabled systems and legacy systems,” the BAA states. The BAA calls for White Papers to be submitted by March 30 for three different types of BLOS technologies: 1. Protected Radio Frequency (RF) BLOS Communications. 2. Multi-User/Multi-Point High-Data-Rate Laser Communications. 3. Communications with submerged assets. R&E intends to “develop, prototype, and demonstrate each innovative communications capability with the goal of transitioning the technologies into programs of record,” the BAA said. To ensure speedy results, DoD will use Other Transaction Authority (OTA) for prototyping (found under 10 U.S. Code § 2371b.) Much of the detail about the effort is contained in classified annexes. What we do know: Beyond-Line-Of-Sight communications relayed through satellites generally require equipping platforms — such as aircraft, ships, and ground vehicles — with high-throughput voice and data links, capabilities all of the services have expressed interest in. In particular, after years of little progress, Griffin has reinvigorated DoD interest in optical communications via laser links, in large part due to fears about Russian and Chinese RF jamming. Commercial industry has been rushing to develop optical links to enable satellite-to-satellite data transmission, and the Space Development Agency is interested in that capability for its so-called transport layer of small satellites in Low Earth Orbit. Radio-frequency communications with submarines when underwater are generally limited to terse text messages, transmitted at very low frequencies (three to 30 kilohertz) and extremely low frequencies (three to 300 hertz) and requiring very large antennas to receie them. Research work is ongoing at MIT on how to link traditional underwater sonar to airborne RF receivers, a methodology called Translational Acoustic-RF) communication. Research also is ongoing, including at MIT's Lincoln Lab, on using narrow-beam lasers to allow one underwater vehicle to communicate with another. BLOS communications can also be accomplished without using satellites. Alternative method include tropospheric scatter using microwave radiation, high frequency (HF) wireless, unmanned aerial vehicle (UAV) relays, and passive reflector systems. https://breakingdefense.com/2020/03/pentagon-seeks-new-satcom-tech-for-fully-networked-c3

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  September 20, 2019 | International, Aerospace

  L3Harris awarded nearly $12.8M for Eglin AN/FPS-85 radar work

  The radar, located at Eglin Air Force Base in Florida, performs detection, target recognition, acquisition and tracking of many space objects. Sept. 19 (UPI) -- L3Harris Technologies has been awarded a $12.8 million in a contract for sustainment support of the Eglin AN/FPS-85 radar in the Air Force Space Command Space Surveillance Network. The contract, announced Wednesday by the Department of Defense, applies to a previously awarded contract to L3 Harris Technologies, Colorado Springs, Colorado for sustainment support of the radar. The Eglin AN/FPS-85 Radar is a computer-controlled, phased-array radar set operating in the Air Force Space Command Surveillance Network that performs detection, target recognition, acquisition and tracking of many space objects. The radar operates at Site C-6 Eglin Air Force Base as part of the weapon systems for the 20th Space Control Squadron to conduct space object identification and intelligence in support of space domain control. Earlier this year, the 20th Space Control Squadron celebrated the 50th anniversary of the AN/FPS radar since space operation began for the AN/FPS-85 Space Track Radar in February 1969. Work on the new contract will be performed at Eglin Air Force Base, Fla, where the radar is located, with a completion date of June 30, 2020. https://www.upi.com/Defense-News/2019/09/19/L3Harris-awarded-nearly-128M-for-Eglin-ANFPS-85-radar-work