1 avril 2021 | International, Aérospatial, C4ISR

Safran Electronics & Defense équipera les Falcon Triton et Albatros de la Marine nationale avec sa boule optronique Euroflir 410

Safran Electronics & Defense annonce avoir signé avec Dassault Aviation un contrat portant sur la fourniture d'Euroflir 410 de nouvelle génération pour équiper les douze Albatros, dérivés du Falcon 2000LXS, et les huit Falcon 50M rénovés Triton dans le cadre de la modernisation des avions de surveillance et d'intervention maritime de la Marine nationale. « L'Euroflir 410 de nouvelle génération, élément clé de la fonction SAR (Search & Rescue), apportera des performances d'observation inégalées, y compris lors de conditions de visibilité dégradées, gr'ce notamment à l'intégration d'un télescope très longue distance et à une stabilisation très performante de la ligne de visée », précise Safran Electronics & Defense. Associé à un radar maritime et à un AIS (Automatic Identification System), l'Euroflir 410 permettra à l'équipage de s'assurer de l'identification des navires en fournissant également une géolocalisation précise du b'timent observé. Les Falcon 50M modifiés Triton et les Falcon 2000 Albatros seront déployés respectivement à partir de 2023 et 2025, conformément à la dernière Loi de Programmation Militaire de l'administration française.

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    12 septembre 2024 | International, Aérospatial

    US shifts one of two aircraft carriers away from Middle East

  • US military posture in Asia could change if China declares another Air Defense Identification Zone

    1 octobre 2018 | International, Aérospatial

    US military posture in Asia could change if China declares another Air Defense Identification Zone

    By: Kyle Rempfer If China goes forward with plans to establish another Air Defense Identification Zone in the region, the U.S. could be forced to change its military posture in Asia, a senior national security official said this week. “We oppose China's establishment of an ADIZ in other areas, including the South China Sea,” Evan Medeiros, the senior director for Asian affairs at the National Security Council, said in an interview with Japan Times. “We have been very clear with the Chinese that we would see that [setting of another ADIZ] as a provocative and destabilizing development that would result in changes in our presence and military posture in the region." An ADIZ is airspace over land or water in which the identification, location and control of aircraft is jointly performed by civilian air traffic control and military authorities in the interest of a country's national security. China set up one ADIZ over the East China Sea in 2013, which many viewed as an attempt to try and bolster its claims over disputed territories, like the uninhabited Senkaku islands. China began to elevate its claims to the Japan-controlled Senkaku Islands in the 1970s after studies indicated there may be vast oil reserves in the surrounding sea bed, according to Japan Times. The United States is obligated to defend aggression against territories under Japanese administration under Article 5 of the U.S.-Japan Treaty of Mutual Cooperation and Security. Defense Secretary James Mattis reaffirmed in 2017 that the defense obligation extends to the Senkakus. “I made clear that our longstanding policy on the Senkaku Islands stands,” Mattis said, according to a Pentagon transcript. “The United States will continue to recognize Japanese administration of the islands.” U.S. officials have also criticized China for setting up an ADIZ that overlaps with similar zones operated by Japan, South Korea and Taiwan without prior consultation. The Chinese have labeled recent missions by nuclear-capable U.S. Air Force B-52 bombers over the South China Sea as “provocative." Two separate B-52s also flew over the East China Sea this week. The Pentagon called all of these flights routine. “If it was 20 years ago and had they not militarized those features there, it would have been just another bomber on its way to [Naval Support Facility] Diego Garcia or wherever,” Mattis told the press, according to a Pentagon transcript. “So there's nothing out of the ordinary about it." China has also been accused of militarizing the South China Sea — which includes important shipping routes, fisheries and hydrocarbons. The Chinese military has built islands on existing reefs and placed airstrips, radars, missiles and other military equipment on them. Multiple other countries in the region, to include Vietnam and the Philippines, claim portions of the South China Sea as well. https://www.airforcetimes.com/news/2018/09/28/us-military-posture-in-asia-could-change-if-china-declares-another-air-defense-identification-zone

  • GPS III satellites are nearly ready to launch, but what’s being done on terra firma to support them?

    14 septembre 2018 | International, C4ISR

    GPS III satellites are nearly ready to launch, but what’s being done on terra firma to support them?

    By: Daniel Cebul The U.S. Air Force is getting ready to deliver the first of its next-generation GPS III satellites into orbit later this year, and expects the new satellites to deliver significant capability improvements. But much work also needs to be done on Earth to make sure the Air Force is able to get the most out of the platforms. That's why Lockheed Martin will begin a series of updates to the architecture's ground control system following the initial launch, according to a statement from the company. These updates will give the Air Force get a head start on testing and operations before the majority of the constellation is in place. The Air Force placed Lockheed Martin on contract in 2016 and 2017 to upgrade the existing Architecture Evolution Plan (AEP) Operational Control System (OCS) called GPS III Contingency Operations (COps) and M-Code Early Use (MCEU), respectively. Just as the GPS III satellites themselves are equipped with improved anti-jamming technology and more accurate signals transmission capability, the ground systems and software that control them need to be upgraded as well. The Air Force has also worked with Raytheon on the estimated $6 billion Operational Control Segment program, often referred to as OCX. That program is expected to serve as the primary ground control system for the GPS III program but has been behind schedule. SpaceNews recently reported the target completion date for Block 1 of the program is June 2021. Block O, the launch and checkout system, was delivered in September 2017. ockheed Martin's contingency program will allow the existing control system to support and integrate more powerful GPS III satellites. Modifications will support GPS III satellites in their position, navigation and timing missions, coordinating their movement with GPS IIR, IIR-M and IIF satellites already in orbit. A second set of upgrades, known as the MCEU modernization program, will focus on the development of M-Code, a new advanced signal designed to improve anti-jamming and anti-spoofing capabilities. The program will improve the existing ground system and allow it to task, upload and monitor M-Code within the GPS constellation. In other words, MCEU modernization will help the Air Force integrate and test GPS III satellites into the current constellation earlier. COps is on schedule for delivery in May 2019 and MCEU is scheduled for delivery in January 2020. https://www.c4isrnet.com/c2-comms/satellites/2018/09/14/gps-iii-satellites-are-nearly-ready-to-launch-but-whats-being-done-on-terra-firma-to-support-them

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