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  October 16, 2020 | International, C4ISR

  Army tactical network office wants industry info on SATCOM as a service

  Andrew Eversden WASHINGTON — The U.S. Army's tactical network modernization office released a request for information Wednesday for commercial satellite communications as a service. The RFI, released by Program Executive Office Command, Control, Communications-Tactical, will give the Army tactical network team an improved understanding of existing industry best practices, technological advancements and innovative business models for commercially managed satellites that could replace the operating design of its logistics network, known as the sustainment tactical network. “We are looking to our industry partners to provide us with inventive approaches to meet our logistics transport capabilities needs,” said Col. Shane Taylor, the Army's project manager for Tactical Network (PM TN), in a press release. “This includes both end item material solutions, as well as what corresponding leasing cost models could look like to enable the Army to maximize capabilities while balancing long-term affordability.” Commercially managed SATCOM would be an improvement over the standard SATCOM capabilities because currently the Army must purchase all the hardware, software, maintenance and sustainment needs, along with other related capabilities, on independent, standalone contracts, the press release said. With SATCOM as a service, the PEO C3T will procure all the capabilities under a single contract, paying for each leased Very Small Aperture Terminal (VSAT) ground satellite terminal. "We want to deliver the right STN SATCOM capability at the right price, while keeping current with technology and ahead of obsolescence,” said Lt. Col. Natashia Coleman, product lead for Unified Network Capabilities and Integration. “To do that we need to better understand how and what industry can provide, what their different managed services models would look like, how they could each best support our hardware and support services requirements, and then compare that to the more traditional way we are providing the capability now and determine which would work best. “Whatever the outcome, taking the time upfront to review all of the options will enable us to deliver the best solution for the Army,” she added. According to Paul Mehney, communications director for PEO C3T, the program office expects industry to demonstrate their SATCOM as a service capabilities for engineer and operational assessment. Mehney said that the office will consider the companies' ability to provide and maintain terminals, obtain host nation agreements for use of bandwidth, provide a help desk to address network access issues, and technical support to users and VSAT systems. Mehney also said that the logistics network modernization efforts aligns with increased capacity, resiliency and convergence goals of Capability Set '23, the next iteration of new network tools set to be delivered in fiscal 2023. “We are looking to incorporate STN design goals as part of CS23 and beyond; providing initial STN elements for CS23 (such as modernized VSAT and Local Transport capabilities) to support CS priorities over time,” Mehney said. Responses are due Nov. 6. https://www.c4isrnet.com/show-reporter/ausa/2020/10/14/army-tactical-network-office-released-rfi-for-satcom-as-a-service/

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  June 13, 2018 | International, Aerospace, Security

  U.S. Coast Guard Signs $117 Million Contract for Small Unmanned Aircraft

  Boeing subsidiary Insitu just inked a $117 million contract to provide small unmanned aircraft systems services across the fleet of U.S. Coast Guard National Security Cutters. The award for the Insitu ScanEagle UAS was finalized late last week and announced on Monday. The contract covers installation and deployment of the system, and provides 200 hours of flight time per 30-day patrol, according to the company. The contract marks the end of what had become a multi-year testing process for the Coast Guard to find an unmanned aircraft to assist with its ongoing mission to stop drug smuggling and human trafficking. “The UAS has already proven itself to be a transformational technology, and the deployment of this capability to the entirety of the [National Security Cutter] fleet is an incredibly important first step in realizing the Coast Guard's vision of fleet-wide UAS implementation,” Cmdr. Daniel Broadhurst, unmanned aircraft systems division chief in the Office of Aviation Forces, said in a statement. A draft request for proposal was released in March 2017 after the service hadn't found an existing platform that met the Coast Guard's needs, USNI News previously reported. The RFP had stated the Coast Guard was looking for a “persistent, tactical airborne intelligence, surveillance, and reconnaissance (ISR) capability that can remain airborne for at least twelve hours per day.” The Coast Guard had been using ScanEagle in a limited basis when the system deployed aboard USCGC Stratton (WMSL-752). The Coast Guard credits ScanEagle with helping Stratton's crew interdict an estimated $165 million worth of cocaine during a two month period in 2017. “When ScanEagle initially deployed with the Stratton, we recognized what an incredible opportunity we had to partner with the U.S. Coast Guard to bring dynamic improvements to mission effectiveness and change aviation history,” Don Williamson, Insitu Defense vice president and general manager, said in a statement. ScanEagle can remain aloft for more than 24 hours, can cruise at 55 knots with a maximum speed of 90 knots, and has service ceiling of 15,000 feet, according to Insitu. The system is shot from a pneumatic launcher and recovered using a hook and arresting wire. ScanEagle is 8.2-feet long and has a 16-foot wingspan. Insitu plans to start installing ScanEagle hardware on USCGC James (WMSL-754) this fall, then on USCGC Munro (WHEC-724) in early 2019, and on USCGC Bertholf (WMSL-750) in late spring or early summer 2019. https://news.usni.org/2018/06/12/34300

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  August 2, 2019 | International, Aerospace

  European Hypersonic Cruise Passenger Study Set For New Tests

  By Guy Norris A team of European hypersonic researchers are preparing for wind tunnel tests of a Mach 8 concept that is designed to prove technologies for the development of future ultra-long-range, high-speed commercial vehicles and air-breathing space launch systems. Funded under Europe's Horizon 2020 research and innovation program, Stratofly (Stratospheric Flying Opportunities for High-speed Propulsion Concepts) is targeted at fostering hypersonic capabilities for a 300-seat passenger vehicle cruising above 30 km (19 mi.) to TRL (technology readiness level) 6 by 2035. The project builds on the Lapcat waverider concept developed under earlier programs by the European Space Agency/European Space Research and Technology Center. Using the 310-ft.-long Lapcat II MR2.4 version as a reference vehicle, the 30-month Stratofly effort is focused on classic hypersonic technology challenges such as propulsion integration, hot structures and thermal management. In addition, with environmental concerns at the forefront in Europe, the project also includes sustainability considerations such as fuel-burn efficiency, noise and emissions reductions, as well as operational issues such as life-cycle costs, safety and certification. Coordinated by The Polytechnic University of Turin, Italy, the project team believes that sustainable hypersonic travel is feasible through the use of liquid hydrogen fuel and new trajectories that would enable flights from Europe to Australia in 3 hr. Specific targets include 75-100% CO2 reductions per passenger kilometer and 90% reductions in nitrous oxide (NOx) compared to current long-range transport aircraft. A version of the vehicle could also be adapted into the first stage of a two-stage-to-orbit space launch system, says the group. Other members of the 10-strong consortium include the von Karman Institute for Fluid Dynamics in Belgium, which is focused on propulsion and noise; the Netherlands Aerospace Center, NLR, which is also part of the noise study; and CIRA, the Italian aerospace research center, which is conducting high-speed flow analysis. Propulsion systems and climate impact input is provided by Germany's DLR research organization, while ONERA, the French aerospace research center, is focused on emissions as well as plasma-assisted combustion in the vehicle's combined-cycle propulsion system. Sweden's FOI defense research agency is also part of the plasma combustion study. The French National Center for Scientific Research is also evaluating the vehicle's potential climate impact, particularly in areas such as the effects of water droplets from the exhaust in the upper atmosphere. Studies of the overall business plan, human factors and hypersonic traffic management are being conducted by the Hamburg University of Technology, while the Spain-based Civil Engineering Foundation of Galicia is focused on structural analysis and optimization. Like the original Lapcat design, the Stratofly MR3 waverider configuration is dominated by a large elliptical inlet and an integrated nozzle aft located between two canted tail fins. For takeoff and acceleration up to Mach 4.5, the vehicle is powered by six air turbo ramjets (ATR, also known as air turbo rockets) in two bays of three, each fed by secondary inlets in the primary intake. Above this speed, sliding ramps cover the ATR inlets as the vehicle accelerates and transitions to a dual-mode ramjet/scramjet (DMR) for the next phase of the flight. The DMR is housed in the dorsal section, nested between the ATR ramjets, and is designed to operate in ramjet mode to above Mach 5 and scramjet mode up to Mach 8. The scramjet will incorporate a plasma-assisted combustion system to maintain the stability of the flame front and prevent the potential for flameouts. Tests of the plasma system in a combustor will take place later this year at ONERA, where supersonic combustion testing also took place for Lapcat. The tests will be conducted in November-December at ONERA's ATD5 facility and will focus on inlet conditions at Mach 3.7. Also planned for later this year is a test of the full vehicle in the high-enthalpy wind tunnel at DLR's Gottingen research facility. Testing at DLR will run through September 2020 and is expected to target similar free-stream conditions as those tested on Lapcat II—around Mach 7.8. The work will assess aerothermodynamic characteristics and be used to validate the results of earlier computational fluid dynamics analysis of the MR3 design, which incorporates external and internal differences against the reference vehicle. “We elevated the canard [a retractable feature for lower-speed flight] and redesigned the vertical tails,” says Davide Ferretto, a research assistant on the Stratofly team from The Polytechnic University of Turin. “We also redesigned the leading-edge radius of the inlet for increased efficiency as it feeds both propulsion systems.” As part of the redesign, the enclosed passenger compartment, which was divided into two sections running along each side of the vehicle, has been combined into a single cabin in the lower lobe of the fuselage. https://aviationweek.com/propulsion/european-hypersonic-cruise-passenger-study-set-new-tests