Spy agency eyes May launch of first proliferated constellation

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  4 mai 2018 | International, C4ISR

  The Army Is Working on Brain Hacks to Help Soldiers Deal With Information Overload

  David Axe The Army hopes that technology can solve the info-overload problem that technology has created, and free up people to do what people do best. With drones and tiny sensors spreading across the planet, the US Army is worried that there's simply too much information for soldiers to process. So the ground-combat branch wants to hack troops' brains, and develop new technologies and methods for pairing human beings and artificial intelligence. The idea is for the AI—"intelligent agent" is the term the Army uses—to process raw information, leaving the human soldier to do what they're best at: make decisions, especially creative ones. "In theory, intelligent agents will have parallel computational power that is much greater than that of humans," Dr. Jonathan Touryan, a neuroscientist at the Army's Human Research and Engineering Directorate in Maryland, said in an Army release. "In developing human-agent integration principles, we hope to accentuate the strengths of both while mitigating individual weaknesses." For its main human-AI integration effort, the Army teamed up with private industry and universities in California, Texas, Florida, and New York. The resulting Cognition and Neuroergonomics Collaborative Technology Alliance began in 2010 and is scheduled to continue in its current form until at least 2020. One recent experiment involved two people—a driver and passenger—traveling together along a busy highway. The passenger, acting as a sort of surrogate AI, talked to the driver in order to test how well a human being can remember and respond to new information while under stress. "What we're interested in doing is understanding whether we can look at the synchrony between the physiologies—the brain response or the heart rate response—between the driver and passenger, and use that synchrony to predict whether the driver is going to remember the information the passenger is telling them after the drive is over," Dr. Jean Vettel, an Army neuroscientist, said in an official release. The resulting data could help the Army determine when and how an AI should relay information to a soldier in combat. This man-machine division of labor could become even more important in coming years. The Defense Advanced Research Project's Squad X initiative, which began in 2013, aims to “increase squad members' real-time knowledge of their own and teammates' locations ... through collaboration with embedded unmanned air and ground systems." More drones and sensors means more information for troops to sort through during a firefight or some other life-or-death situation. Separately from the Army's Cognition and Neuroergonomics Collaborative Technology Alliance and DARPA's Squad X, the military has been working on an “implantable neural interface” that could allow soldiers and AIs to directly communicate. That's right, a brain modem, one that translates data into electronic impulses that are compatible with a human being's own thoughts. Inspired by the rapid advancements in cochlear implants and other medical implants, DARPA began work on the modem in 2016 as part of a four-year, $60-million program. Experts say the brain modem might not work. “The big challenge is you're talking about interfacing with the human brain—that's not a trivial thing," Dr. Bradley Greger, a neuroscientist at Arizona State University, told me. But for the Army, it could be worth taking a chance on this and similar technology. Drones and sensors are steadily getting better, smaller, cheaper and more numerous. There's more data by the day. "Humans simply cannot process the amount of information that is potentially available," Touryan said. "Yet, humans remain unmatched in their ability to adapt to complex and dynamic situations, such as a battlefield environment." The Army hopes that technology can solve the info-overload problem that technology has created, and free up people to do what people do best: think creatively. https://motherboard.vice.com/en_us/article/59j7ja/the-army-is-working-on-brain-hacks-to-help-soldiers-deal-with-information-overload

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  22 octobre 2020 | International, Aérospatial

  Pratt & Whitney Awarded Contract for F135 Engine Modernization Study

  Seapower Staff EAST HARTFORD, Conn. — Pratt & Whitney, a division of Raytheon Technologies Corp., has been awarded a $1.5M contract to conduct an F135 modernization study and operational assessment by the F-35 Joint Program Office to determine specific propulsion system growth requirements for Block 4.2 F-35 aircraft and beyond, the company said in an Oct. 20 release. The study is expected to conclude in March 2021. “This award is a significant milestone for the program and the warfighter, as we look to ensure the F135 propulsion system continues to provide the foundation for all air vehicle capability requirements over the full lifecycle of the F-35,” said Matthew Bromberg, president, Pratt & Whitney Military Engines. “As we look to the future, growth in aircraft capability must be met with matched propulsion modernization. Fortunately, the F135 has ample design margin to support agile and affordable upgrades that will enable all F-35 operators to keep pace with evolving threat environments.” Under this award, Pratt & Whitney will assess F135 engine enhancements required to support future F-35 weapon system capability requirements across all F-35 variants beginning with Block 4.2 aircraft. The scope of the assessment focuses on enhancements addressing improvements to up and away thrust, powered lift thrust, power and thermal management capacity, and fuel burn reduction. Designed with the knowledge that operational environments will evolve and threats will advance, the F135 is postured to meet future F-35 capability requirements. Its modular design and advanced digital architecture allow for the agile development and spiral insertion of both hardware and software upgrades. As part of the study, Pratt & Whitney's GATORWORKS organization will complete the conceptual design and analysis of multiple F135 Engine Enhancement Package (EEP) growth options with phased insertion plans. Leveraging significant U.S. Government and Pratt & Whitney investment in next generation adaptive propulsion technologies, Pratt & Whitney's EEP approach offers low risk, variant-common upgrade options for the F135 that provide increased performance aligned with the program's continuous capability development and delivery strategy and serve as a critical enabler for future capability growth of the F-35 weapon system. The combat-proven F135 is the most advanced operational fighter engine in the world, delivering 26% more thrust, 116% more powered lift, and more than a 300% increase in power and thermal management over 4th generation fighter engines – all with a demonstrated mission capability rate of greater than 94%. “Built upon decades of combat propulsion experience, the F135 provides the warfighter with a critical technological advantage over adversaries at an unparalleled value to the taxpayer,” said Bromberg. “With more than 40,000 pounds of thrust, unmatched low-observable signature, world-class thermal management, and innovative engine control system, the F135 is a critical enabler of the F-35 weapons system and of operations conducted in advanced threat environments – a core element of the National Defense Strategy.” https://seapowermagazine.org/pratt-whitney-awarded-contract-for-f135-engine-modernization-study/

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  6 octobre 2020 | International, Naval

  US Navy’s aging surface fleet struggles to keep ships up to spec, report shows

  David B. Larter WASHINGTON — The U.S. Navy's aging surface fleet is getting harder to maintain, and overall is showing declining health in several key areas, such as its main propulsion systems, electrical systems and Aegis combat systems, according to an annual report of the Navy's Board of Inspection and Survey submitted to Congress earlier this year. The so-called INSURV inspections found that over five years, the surface fleet found big dips in the main propulsion systems — the plants that produce the power to push the ship through the water — as well as in the electrical systems and aviation systems. The Aegis systems, a collection of sensors and software that protects the ship primarily from air threats, has also shown some signs of slipping over the last half-decade. The declining trend comes after years of intense focus on readiness inside the Defense Department, but the Navy says that recent changes to how the Navy conducts the notoriously intrusive INSURV inspections are making the fleet more ready. Still, the slipping scores do raise questions about whether the Navy's much-in-demand surface combatants are getting adequate time in maintenance. For INSURV, ships are graded across a wide variety of systems, with scores adding up to a “figure of merit” where perfect equals 1.0. Over more than 30 surface ship inspections in 2019, the Navy tracked a 20 percent drop in scores between 2014 and 2019 in the main propulsion plant and another 20 percent drop in scores for the ships' electrical systems. Aegis, which is the beating heart of the combat systems on cruisers and destroyers, saw a slight but concerning drop from a figure of merit of 0.88 in 2017 to 0.77 in 2019. Aviation systems, the systems concerned with launching and recovering rotary wing aircraft, dropped from 0.77 in 2014 to 0.68 in 2019. By contrast, scores from submarine main propulsion — governed by strict Naval Reactors guidelines and inspections — scored figures of merit of 0.94, submarine electrical systems scored 0.90, and submarine combat systems scored a 0.84. Overall, the Navy's surface fleet got high marks in navigation systems, medical systems, anti-submarine warfare systems and preservation. INSURV changes The Navy accounts for its drop in scores by pointing to a recent change in how the service conducts the inspections. In 2019, the chief of naval operations ordered that INSURV be conducted once every three years, the length of one deployment readiness cycle where the ship is maintained, the crew is trained, and the ship deploys. The inspections were also changed from an event that is planned for well in advance, to an event that comes with little notice, and requests for delays to the inspection were prohibited. The short-notice INSURV inspections are designed to get a more accurate picture of ships' readiness, instead of allowing sailors ample time to borrow parts from other ships and make temporary fixes that can boost the overall score on the inspection, according to Naval Surface Force Pacific. “Because ships knew exactly when the inspection would occur, they were able to put their best foot forward during the exam,” said SURFOR spokesperson Cmdr. Nicole Schwegman. "Over time, it became clear the (consistently good) INSURV scores ships were receiving did not accurately capture the material condition of the surface fleet. “As a result, Navy leadership directed that future INSURV inspections be performed at any time during a ship's [deployment cycle], and with minimal notice. At the same time, the Board of Inspection and Survey eliminated the possibility of ships receiving a delay to their inspection date due to a late occurring equipment casualty. The inspection is therefore more ‘come as you are' than it has been in the past.” SURFOR has also directed that ships conduct more rigorous and regular shake-out tests, such as directing the ships to max out their propulsion system in what's known as a “full power run,” and has increased the frequency of inspections of the ship's transmission, known as the main reduction gear, and monitoring of the health of the ships' SPY-1 radar system, Schwegman said. The surface fleet has made investments in increasing self-sufficiency of sailors so they can fix their own gear and made sure they have the right spares on board their ships to make sure they can fix broken gear, Schwegman said. The goal is to make sure the fleet gets away from relying too heavily on technical experts employed by the companies who make the gear on ships. “While we have the funding and availability of technical representatives (and we send them, to include with COVID-19 protocols in place), we will continue to ensure that ships are able to maintain most if not all of their equipment should technical assistance not be immediately available,” Schwegman said. Lingering questions Part of the issue, of course, is that the Navy's surface fleet is getting older. The cruisers are all closing in on their expected 35-year expected hull lives, and the first 27 Arleigh Burke-class destroyers are not far behind them. Keeping the radars going in earliest ships has been a particular challenge, as has maintaining the aging engineering plants. There remain questions, however, about how much the roughly 10-to-20 percent drop in scores across critical areas inspected by INSURV is attributable to the change in the inspection regime that SURFOR points to, said Bryan Clark, a retired U.S. Navy submarine officer and senior fellow at Hudson Institute. “Probably part of that 10-20 percent is a function of just not being able to prepare as much as you would in the past,” Clark said. "The way you'd do it in the past is you'd see you had INSURV coming up and you'd have a bunch of [preventive maintenance checks] you'd perform to make sure the equipment they were going to test was in working order. You'd go run things that are almost never run and see, ‘Oh, I need to go fix that.' “So, really the old system was to both test the ship as well as force the ship to make sure all of its systems were working at the right level of capability. Now it's much more of a test where they come on board, test a bunch of stuff and they see if it works or not.” But given that the downward trends go back so far, it's also likely that the high demands placed on the force continue to degrade the material condition of the ships without adequate time for maintenance, Clark said. “Part of it has to be that the Navy continues to struggle to put the time and money into maintenance availabilities that they need to,” Clark said. “Particularly in the surface fleet, the ships' schedules have just not been able to be freed up they way they need to be, and in some cases they've had to manage costs and growth, which meant they couldn't do all the maintenance they needed to.” The move to schedule more INSURV inspections will likely yield good results over the long term, he added, but said the whole outlook on how the Navy deploys must change if any significant progress is to be made. “Doing INSURV more frequently is a good time, especially since it is pretty much the most comprehensive inspection your ship is going to get,” Clark said. "You test things that you use infrequently so that you don't need to find out they don't work in extremis. “But I suppose I question how much the Navy really has taken a turn on readiness. They've put more money into it due to supplemental funding. They've done a much better job managing availabilities. But Navy-wide, you need to complement that with a supply-based model where you tell combatant commanders ‘We just can't get you the forces you want because they need to go into maintenance and they have to be there for as long as they need to be there.'” https://www.defensenews.com/naval/2020/10/05/the-us-navys-aging-surface-fleet-struggles-to-keep-ships-up-to-spec-report-shows/