Space Force fleshing out second phase of missile-tracking program

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  16 mars 2024 | International, C4ISR

  EU sprinkles $560 million over defense firms to grow ammunition output

  Most of the money will go toward the production of explosives and powder, officials in Brussels said.

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  11 octobre 2019 | International, Aérospatial

  NFAC Tests Next-Generation Military Helicopter

  Wind Tunnel Test Designed To Validate The Aerodynamic Performance And Flight Mechanics Of Sikorsky's X2 Technology Aircraft The U.S. Army is looking to improve its aviation technology and recently called upon the AEDC National Full-Scale Aerodynamics Complex at Moffett Field in Mountain View, CA, to advance this effort. Engineers from Sikorsky Aircraft Corporation and The Boeing Company, in partnership with the U.S. Army Combat Capabilities Development Command Aviation & Missile Center Army Aviation Development Directorate, recently conducted a series of tests at NFAC to support the development of the SB>1 DEFIANT, a military helicopter being developed for the Army's Joint Multi-Role Technology Demonstrator (JMR TD) program. The goal of this wind tunnel test was to validate the aerodynamic performance and flight mechanics of Sikorsky's X2 Technology aircraft. These configurations, which are being utilized on the SB>1 DEFIANT, include a lift-offset coaxial rotor system, composite fuselage and rear-mounted pusher propulsor that provides increased speed. The SB>1 DEFIANT, which made its first flight in March, is a technology demonstrator for a medium-lift utility helicopter. Future uses of this type of air vehicle could include attack and assault, troop transport or MEDEVAC. The testing was conducted throughout the first half of 2019 and concluded in mid-June. To accomplish the tests, a 1/5 scale model of the SB>1 DEFIANT airframe with powered coaxial main rotors was placed in the NFAC 40- by 80-foot wind tunnel. Measurements included forces and moments on the various components, as well as fuselage, empennage and blade surface pressures. David Wang, NFAC test engineer, said the recent tests expanded on data collected from a JMR wind tunnel entry conducted at NFAC in 2016 by gathering data at faster speed ranges. “From the NFAC perspective, the wind tunnel test was successful,” Wang said. “The test customer was able to collect performance and handling qualities data for their subscale model up to their maximum design flight speed.” Data collected during the recent tests is undergoing review and analysis. It is unknown at this time if there will be future testing of the SB>1 DEFIANT model at NFAC. The full-scale SB>1 DEFIANT flight demonstrator is currently undergoing ground and flight tests at Sikorsky's flight test facility. According to the Sikorsky-Boeing JMR Team, data from SB>1 DEFIANT will help the Army develop requirements for new utility helicopters expected to enter service in the early 2030s. A previous DOD study concluded that upgrades to the aging DOD rotary wing aviation fleet would not provide the capabilities required for future operations. Significant improvement in several attributes of fleet aircraft, such as speed, payload, range, survivability and vertical lift are required to meet future needs. It was determined this improvement could be achieved through application of new technologies and designs. To accomplish its goal, the Army has been executing a science & technology (S&T) effort to mitigate risk associated with maturity of critical technologies, feasibility of desired capabilities and cost of a technical solution. An aspect of this effort is the air vehicle development associated with the JMR TD program. JMR TD is the alignment of Army Aviation's S&T with the Future Vertical Lift initiative, which seeks to develop a new family of system to modernize and replace the government's current fleet of rotorcraft. According to the Army, the intent of the JMR TD is to mitigate risk for the Future Vertical Lift program through means that include the testing of advanced technologies and efficient vehicle configurations. NFAC, managed and operated by Arnold Engineering Development Complex (AEDC), is the largest wind tunnel complex in the world. It consists of both the 40- by 80-foot and 80- by 120- foot wind tunnels. These tunnels, which share a common drive system, are primarily used for aerodynamic and acoustic tests of rotorcraft and fixed wing, powered-lift V/STOL aircraft and developing advanced technologies for these vehicles. Both subscale and full-scale models are tested at NFAC. The speed range of the 40- by 80-foot wind tunnel test section is continuously variable from 0 to 300 knots, while the speed range in the 80- by 120-foot wind tunnel section is continuously variable from 0 to 100 knots. http://www.aero-news.net/index.cfm?do=main.textpost&id=021bcb83-4df9-4253-b7a3-ff3805b7b16a

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  19 février 2020 | International, Aérospatial, C4ISR, Sécurité

  LONGBOW LLC Secures Contract For Up To $235.8 Million For Fire Control Radar Sustainment Work

  Orlando, Fla., February 18, 2020 /PRNewswire/ - The U.S. Army recently awarded LONGBOW Limited Liability Company (LBL), a joint venture of Lockheed Martin (NYSE: LMT) and Northrop Grumman Corporation (NYSE: NOC), a five-year sustainment indefinite delivery/indefinite quantity (IDIQ) contract for up to $235.8 million to provide post production support services for the AH-64 Apache helicopter AN/APG-78 LONGBOW Fire Control Radar (FCR) to international customers. The IDIQ contract value is estimated over five years and now provides tailorable services as individual orders for foreign military sales customers. Post-production sustainment services include program and logistics management, repair of system modules as required, replenishment of depot parts, field engineering support, and operator and maintainer training for AH-64D and AH-64E configurations."With a tailored sustainment approach, customers have the flexibility to add services as needed based on fleet demands," said Jim Messina, LBL president and Lockheed Martin program director. "This contract also enhances LBL's agility to achieve our customers' sustainability requirements." The sustainment IDIQ contract includes initial task orders for 12 foreign military customers in 11 nations, three of which have been awarded, with others planned for transition by year-end. Additional customers may also be added during the five-year contract period of performance. "A significant benefit of the sustainment IDIQ contract vehicle is rapid contract award timeline for our international allies," said Shalini Gupta, LBL vice president and Northrop Grumman director for LONGBOW programs. "LBL can now be awarded sustainment task orders within weeks after Letter of Offer and Acceptance (LOA) signature, versus the previous timeline of years to complete the contract process." The LONGBOW FCR provides Apache aircrews with automatic target detection, location, classification and prioritization, while enabling rapid, multi-target engagement in all weather conditions over multiple types of terrain and through battlefield obscurants. During the U.S. Army's AH-64E Apache Follow-On Test and Evaluation II (FOT&E II), the modernized Version 6 LONGBOW FCR successfully demonstrated many new operational modes and capabilities, including maritime, single target track, and 360-degree surveillance mode, as well as extended detection range capability against land, air and sea targets. To date, nearly 500 LONGBOW FCR systems have been delivered to the U.S. Army and 12 nations. About LONGBOW LLC Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company that employs approximately 110,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever evolving needs of our customers worldwide. Our 90,000 employees define possible every day using science, technology and engineering to create and deliver advanced systems, products and services. For additional information, visit our websites: www.lockheedmartin.com/fcr or https://www.northropgrumman.com/ SOURCE Lockheed Martin View source version on Lockheed Martin: https://news.lockheedmartin.com/2020-02-18-LONGBOW-LLC-Secures-Contract-for-Up-to-235-8-Million-for-Fire-Control-Radar-Sustainment-Work