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  June 27, 2019 | International, Other Defence

  Tired of sweating in your ACUs? Try these new hot-weather cammies

  By: Todd South FORT BELVOIR, Va. – Beginning in July, soldiers in Hawaii and at Fort Benning, Georgia will be able to buy the Army's newest field uniform – the Improved Hot Weather Combat Uniform. Following the first delivery of 2,000 uniforms to those sites, the Army will roll out more batches of the uniform in six more waves through February 2020 when it will be available at all military clothing stores. Don't sweat it yet. The IHWCU is not a clothing item required for inspections but it is an option that soldiers will have to use how they see fit in hot climates and even in garrison in situations where they would wear the Army Combat Uniform. The IHWCU maintains the same Operational Camouflage Pattern as the current ACU and comes in at about the same price, which runs approximately $100 for the set, depending on sizes, Col. Stephen Thomas, project manager, soldier protection and individual equipment at Program Executive Office-Soldier told Army Times. The most notable change when the two uniforms are side by side is that the IHWCU has no breast pockets. But changes go deeper once a user dons the lighter, more breathable and streamlined uniform built to help keep soldiers cool with improved airflow but also more comfortable with a new material that dries from soaking wet within 60 minutes. Thomas got to experience that firsthand recently when wearing the new uniform to a Pentagon meeting and getting caught in a downpour. “As soon as we pull in, the bottom falls out of the sky,” the career light infantryman said. Walking through security, he was leaving puddles of water but by the time he finished his first meeting he was essentially dry. The seven waves of deliveries will start at 2,000 for the first wave and conclude with a 5,000- to 6,000-uniform wave next year. After that production will depend on demand, Thomas said. If soldiers like them and buy them, then the Army will order up more. The seasoned colonel recalled a more distant uniform change having a certain effect. When he was a second lieutenant, the Army had the standard Battle Dress Uniform, but it was heavier than necessary for hot climates. So, similarly the Army produced a “lightweight” summer BDU, which also was not a required clothing item but quickly became the standard uniform most soldiers wore for comfort. “What ended up happening is it became a uniform of choice,” Thomas said. “I think this will have the same results.” The new uniform uses a 57 percent nylon and 43 percent cotton blend to reduce the weight of the uniform by a pound and increasing drying rates and air flow. Other not immediately recognizable but important additions include reinforced elbow and knee areas, helping to prevent ripping. Changes to contours by designers have used a “raglan” sleeve that is more fitted, less baggy with less bunching or binding as is sometimes common with the current ACU, Thomas said. The knee areas are also better tailored to allow for movement where the ACU can sometimes snag or drag when wet, said Lester Smith, systems acquisitions manager at PEO Soldier. And the crotch gusset allows for the same freedom of movement in the trousers, also preventing drag and keeping the pants in a better position, especially when loaded down with cargo pocket items or wet. How the Army developed the uniform includes laboratory and field testing by scientists at the then-Natick Soldier Systems Center in Massachusetts. That work kicked off in 2015, after soldiers pointed out problems with the existing uniform options for hot, wet environments such as those often encountered by soldiers with the 25th Infantry Division in Hawaii and soldiers rotating through the ongoing Pacific Pathways exercises that partners U.S. soldiers with Indo-Pacific region militaries, many in very hot, often jungle environments. The results were pushed to PEO Soldier in 2017, which did a large scale test with 25th Division soldiers and others beginning in January 2018 and which resulted in further changes and adjustments that ultimately became the soon-to-release IHWCU. Along the way, the Combat Capabilities Development Command Soldier Center, 25th Infantry Division, 6th Ranger Training Brigade, Jungle Operations Training Center and Maneuver Center of Excellence contributed to testing and evaluations. Pentaq, NIB, Goodwill Industries and ReadyOne are the companies producing the uniform for military clothing stores. Key features of the new IHWCU include: Blouse Single-breasted Raglan sleeve front with a five (5) button closure Fold-down collar with a fusible interlining Long sleeves with cuffs with one button and three buttonholes for an adjustable cuff tab The top of the button down closure is open to accommodate a pen Front placket has a loop tape for the Rank Patch Coat has two bellow-style top opening upper sleeve pockets and includes an eyelet drain-hole Sleeves have an elbow reinforcement patch Both sleeves have an Identification Friend or Foe tab cover that can be opened and closed using hook and loop fastener IFF tab cover is centered and sewn onto the sleeve above the upper sleeve pocket Double turned and cleaned finished hem Trousers Covered fly with a four (4) button/ buttonhole closure, or three (3) button/buttonhole closure, depending on size Seven (7) belt loops Two (2) side hanging pockets Two (2) front side pleated cargo pockets with three (3) button/ two (2) buttonhole closure flaps High end of cargo pockets at front of pocket rather than rear like ACU Two (2) lower leg side pockets with one (1) button/ one (1) buttonhole closure flaps Side cargo pockets shall have three (3) sewn-in eyelets hidden by the bellows Double needle seat patch and a pleated knee reinforcement incorporated into the pant leg at the knee One (1) piece single gusset Two (2) front side hanging pockets Mesh fabric attached on the inside of the trousers at the bottom of the legs as inner cuffs Bottom of the trousers leg hems, the inner cuffs, and the waistband shall have drawstrings How the IHWCU came to be First they stripped down the ACU and then added the following items: Chest, calf and back pockets were removed to reduce weight and dry time. Blousing strings were eliminated from trousers to allow for airflow and drainage. The elbows, knees and seat were reinforced with 330 denier nylon, a thicker nylon that increases durability and abrasion resistance. Crotch gussets, extra patches of fabric that reduces stress on the seams, were added to prevent blowouts common to the Flame Resistant ACUs. Buttons were used on the ACU blouse instead of a zipper, with the intent to increase air flow. Another hot weather version in early testing incorporated mesh into the uniform design and had all of the same changes as the stripped down ACU except it used a zipper instead of buttons. With this version soldiers didn't need to blouse their boots because a mesh material inside the trouser leg along the ankle. By tucking in the mesh, soldiers could get air flow and also keep insects or leeches from getting at them. Some early testing added a “knit yoke” or wicking material to the back of the trouser waist band. That add-on was to wick away pooling sweat that often accumulates there. Wicking draws moisture away from the body so that it can evaporate. They also looked at two different Army Combat Shirt changes, testing both a cooling material for the torso and collar and also a wicking version. Between 2015 and 2016 the Army conducted four uniform user test evaluations, three of those only on material, not design. The first was a 50/50 nylon/cotton weave with ripstop reinforcement, just like the standard ACU. The second had the same blend but used a “twill weave” to make it stronger and more tear resistant. The third used a 38/38/24 blend of nylon, cotton and PTFE, polytetrafluoroethylene: a compound use in Teflon coatings. The fourth version was 100 percent nylon ripstop. Without cotton it takes on less water and weighs less but is still as strong as nylon. The fifth version was a 57/43 nylon/cotton blend, which was the final choice for the current IHWCU. Full article: https://www.armytimes.com/news/your-army/2019/06/26/tired-of-sweating-in-your-acus-try-these-new-hot-weather-cammies/

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  May 19, 2020 | International, Security

  Winning The Spectrum: Pentagon Unveils New Strategy

  By BRYAN CLARK and TIMOTHY WALTON on May 19, 2020 at 4:01 AM The Electromagnetic Spectrum is the key to waging electronic warfare, and EW is key to waging modern war. An enemy who can jam communications or GPS, mislead you (spoofing is the term of art) and stop your weapons from functioning (cyber attacks using radio waves). The US largely abandoned EW after the Cold War ended. Then the Russians made it very clear in their war against Ukraine just how effective EW could be and senior folks in the US military grew uneasy. They and Congress realized how much we had made ourselves vulnerable and the Hill ordered creation of a group to devise a strategy to restore American EW eminence. Bryan Clark and Tim Walton of the Hudson Institute preview the new strategy below — only at Breaking D Read on! The Editor. The electromagnetic spectrum is getting more popular and crowded every day. As Breaking D readers know, the DoD and FCC are battling over frequencies adjacent to those used by GPS, which the telecommunication company Ligado wants to use for its satellite-based 5G network. DoD worries that Ligado's transmissions will drown out the relatively weak signals that reach Earth from GPS satellites. Ligado fired what is only the first of what will be many salvos in the 5G spectrum battle. To achieve 5G's promised low latency and broadband speed telecommunication companies require wider swaths of spectrum compared to 4G–some of which they don't control. With high-frequency millimeter wave 5G towers only able to reach a few city blocks, telecom providers like Ligado are pursuing mid and low-band spectrum below 6 Ghz that enables greater coverage–but also puts them in conflict with FAA and military radars, radios, and GPS. The clamor for 5G spectrum comes as DoD is itself fielding a collection of new networks to support its concept of Joint All Domain Command and Control, or JADC2. The Army Integrated Tactical Network, Air Force Air Battle Management System, and Navy Integrated Fire Control combine existing datalinks and radios with emerging communications systems to connect all U.S. forces across a theater, placing new demands on spectrum. But the EM spectrum is also a global common like the air or sea. To prevent U.S. forces from operating effectively, the Chinese and Russian militaries spent the last 20 years modernizing their electronic warfare equipment, training new EW operators and technicians, and placing EW forces in every unit or formation. During the same period, DoD rested on its Cold War laurels and failed to invest in EW systems or training. DoD strategies developed in 2013 and 2017 addressed the growing challenges of managing and controlling the EM spectrum by directing services to develop better versions of current capabilities and concepts but failed to significantly close the gaps between the U.S. and adversary militaries. Congress, increasingly worried, mandated that DoD stand up an EM Spectrum Operations Cross-Functional Team and create a new strategy. That is nearing completion and may be DoD's last opportunity to gain an enduring advantage in the EM spectrum. New EM Spectrum Superiority Strategy Instead of incrementally improving existing EM systems and tactics in a doomed effort to solve capability shortfalls, the new EM Spectrum Superiority Strategy will emphasize how to undermine the strengths and exploit the weaknesses of adversaries in the EM spectrum. The strategies' initiatives will be targeted at fundamental asymmetries between U.S. and opposing militaries that can provide DoD leverage. A change in approach is desperately needed. The U.S. military didn't fall behind in EW and EM Spectrum Operations due to a lack of funding, as spending for both rose steadily since 2015, but because the additional dollars were not spent implementing a coherent strategy. Funding instead upgraded legacy systems to fill various capability gaps, not all of which were high priorities. Under today's plans, DoD will take decades to catch great power adversaries enjoying “home team” advantages and the luxury of focusing on only one potential opponent. Moreover, post-pandemic budget constraints will likely prevent increasing funding to plug capability gaps faster. The key asymmetry between the U.S. and opposing great power militaries is the simple facft that Chinese and Russian are close to likely areas of conflict. China's People's Liberation Army (PLA) and the Russian Armed Forces can place EW and sensor systems on their own territory or in nearby sea or airspace where they can rely on reliable and difficult-to-jam wired or line-of-sight EM communications. Leveraging their understanding of the environment, Chinese and Russian forces can employ passive, multistatic, and low-frequency EM sensors and pre-architected systems of systems and tactics to find and attack U.S. forces. The U.S. military must span the world. This requires a more expeditionary force and adaptable C2 process compared to the Chinese or Russians, and which can accommodate more contested communications, changing force packages, and the variety of local conditions. When communications are lost, junior leaders of U.S. forces would employ mission command, exploiting their initiative and judgement to improvise a course of action that follows the commander's intent. Giving The Enemy Something To Worry About The PLA's reliance on pre-planned, static systems of systems and tactics could be a liability against highly dynamic and unpredictable U.S. spectrum operations. The EM Spectrum Superiority Strategy should exploit this opportunity by adopting new operational concepts that emphasize maneuver and complexity. A maneuver-centric approach doesn't require across-the-board improvements to U.S. EM spectrum systems. To create complexity for opponents U.S. forces need capabilities for dynamic and automated spectrum sharing with commercial or military users guided by electronic support sensors and electromagnetic battle management, or EMBM, systems. To protect themselves from enemy attack, U.S. forces would rely on passive or multistatic sensing, complemented by LPI/LPD communications and electronic countermeasures. And U.S. electronic attacks would need the agility afforded by AI-enabled cognitive jammers that use photonics to move across wide ranges of spectrum. The ability of cognitive jammers or EMBM systems to understand the EM environment will depend on their access to information on threat, friendly, and civilian EM spectrum systems. Today, data and analysis from the Intelligence Community is slow to reach operators and slower still to be programmed into EW equipment. DoD will need to establish new frameworks for EM spectrum information sharing and build on its recent success in accelerating the reprogramming process by incorporating AI to a greater degree in deployed EW and EMBM systems. Capabilities for complex and unpredictable EM operations will be difficult to define for today's top-down requirements process, which seeks a point solution for a particular application and situation. DoD will need to identify potential new EM capabilities through comprehensive assessments of their mission impact in a variety scenarios using modeling and simulation or experimentation and mature them through new processes like the DoD Adaptive Acquisition Framework. The most challenging element of a new strategy will be preparing EW and EM spectrum operators for maneuver warfare. DoD's current ranges are unable to provide realistic EM operating environments for experimentation or training due to a lack of modern threat systems and concerns that adversaries can monitor U.S. EM emissions during live, open-air events. Rather than focusing on expensive range upgrades, DoD should shift its emphasis to virtual and constructive events, which would enable concept development, tactics innovation, and training against the most challenging threats at all security levels. The urgency to change DoD cannot continue pursuing EMS superiority through incremental, evolutionary improvements. This approach is too unfocused, will take too long to reach fruition, is potentially unaffordable, and cedes the initiative to America's adversaries. DoD should move in a new direction and focus EM capability development on implementing concepts for maneuver warfare that create adaptability for U.S. forces and complexity for adversaries. If the DoD does not mount a new more strategic and proactive approach to fighting in the EM spectrum, adversaries could be emboldened to continue their efforts to gain territory and influence at the expense of U.S. allies and partners. Demonstrating the ability to survive and fight in a contested and congested EM spectrum could help U.S. forces slow Chinese and Russian activities and give them something to worry about for a change. Bryan Clark is a senior fellow at the Hudson Institute. Timothy Walton is a fellow at Hudson. https://breakingdefense.com/2020/05/winning-the-spectrum-pentagon-unveils-new-strategy/

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  April 24, 2018 | International, Aerospace, C4ISR

  High-cost satellites remain vulnerable to low-cost threats

  By: Daniel Cebul WASHINGTON ― Despite advances in satellite technology, many of the U.S. military's most expensive and necessary assets remain vulnerable to jamming from inexpensive tools, according to a new report from the CSIS Aerospace Security Project. “The technology needed to jam many types of satellite signals is commercially available and relatively inexpensive,” the report reads. Other electronic threats such as spoofing, which attempts to trick receivers into believing manipulated data from an attacker is real, also offer low cost options to adversaries who hope to interfere with satellite connectivity. These kinds of attacks can disrupt communications or position, navigation and timing techniques. The report, released April 12 and titled “Space Threat Assessment 2018,” notes that while United States near-peer adversaries have made strides in more advanced kinetic weapons, such as direct ascent anti-satellite weapons, jamming technology also is seen as critical. For example, “China has made the development and deployment of satellite jamming systems a high priority,” according to the authors, Todd Harrison, Kaitlyn Johnson and Thomas Roberts. Another near-peer, Russia, has displayed jamming and spoofing capabilities in the ongoing conflicts in Ukraine and Syria in the last several years. The report said the use of Russian technology in these conflicts “demonstrate[s] that Russia retains advanced electronic attack capabilities, despite some analysts' claims that Russia's ability to jam and spoof satellites has declined since 1991.” But the threat from jamming and spoofing attacks goes beyond near-peers. Iran and North Korea, so-called rogue states, also have demonstrated the capability and willingness to interfere with satellite communications and GPS signals, according to the report. And the ability to jam and spoof signals is likely to spread. The report notes once a jammer or spoofer is developed, “it is relatively inexpensive to produce and deploy in large numbers and can be proliferated to other state and non-state actors.” But the United States is not sitting by idly. The Air Force's Advanced Energy High Frequency satellites, reserved for secure communication, “incorporate a high degree of protection against jamming, spoofing, and other forms of electronic attack,” according to the report. The U.S. is also preparing troops to operate in GPS-denied environments. In January, the Defense Department jammed GPS-signals in western states so pilots could train in environments that will likely come to characterize combat in the age of electronic warfare. https://www.defensenews.com/digital-show-dailies/space-symposium/2018/04/16/high-cost-satellites-remain-vulnerable-to-low-cost-threats/