Weather Military - Even a cursory study of our nation's history shows that American troops have had to contend with extremely cold weather more than once.

From Korea to Afghanistan, the lives of U.S. soldiers depend on equipment that performs in harsh cold conditions, and nowhere else in the world can the U.S. Army's Cold Terrain Test Center (CRTC) in Fort Greeley, Alaska, handle such extreme cold weather.

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CRTC is the U.S. Army's Yuma Proving Ground (YPG) Command in southwestern Arizona, which is responsible for evaluating equipment in extreme desert, subarctic, and tropical environments.

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The conditions that exist at the CRTC are unimaginable to most of the world's population. Summer highs were 150 degrees warmer than winter's deepest cold. There are almost twenty-three hours of daylight in the longest summer days, and less than five hours in winter. Near the Arctic Circle, the CRTC is the perfect place to punish testing military equipment in the bitter cold.

One of the most recent examples of what has come under the CRTC's toughest scrutiny is the Integrated Visual Augmentation System (IVAS), Microsoft's HoloLens augmented reality glasses that aim to redefine close combat capabilities.

"In my opinion, the IVAS program is one of the most revolutionary things we've done for the dismounted close combat force since night vision began," said Col. Troy Denomy, IVAS product manager in the Soldier Program Executive Office (PEO). "It's not just a night vision device or a situational awareness tool, it's all in one system."

The display above the IVAS prototype combines a variety of impressive capabilities in one package. Night vision and thermal scope settings are available by pressing both buttons. Soldiers can share lens topographic images or 3D maps at any time, whether during training or in the field. The soldier can attach the IVAS to the weapon, allowing the weapon to be aimed using a reticle in his field of vision instead of shouldering the weapon. Everyone in the group can know where all their teammates are at any time, no matter how dark or dense the surrounding terrain is.

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"It's like a wearable version of the Blue Force Tracker," said CRTC probation officer and former infantryman Isaac Howell. "You can maintain visibility of the entire mounted object as you move through the terrain. That's a huge command and control benefit."

It was a given to the Army officials in charge of the program that the weapon should be placed in an extremely natural environment before being used.

"If we're just going to try to understand how the system works in a nominal environment, that really limits what we can fight in," Denomy said. "Designing a system for extreme cold, humidity and heat is important."

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"We are expected to operate in multiple domains and regions," added Sgt. 1st Class Josh Braley with the Soldier Lethality Cross Functional Team. "It has to be a kit that we know is tough enough to handle the dangers of the cold and the tropics."

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When the infantry, based at Joint Base Elmendorf-Richardson, Alaska, arrived at the CRTC in March, terrain and temperature were ordered. It was well below zero degrees Fahrenheit, and CRTC test officers planned a multi-mile overnight hike over rough terrain in real-world scenarios that also served as training for the soldiers. Some soldiers served as fake opposition forces. Snowshoes were required in deep snow that partially or completely covered all obstacles, including dense vegetation. Except for the probation officers and data collectors accompanying the soldiers, the exercise resembled a real infantry mission.

"These locations were chosen so they could monitor the existing mission infrastructure as part of a scenario where they would have to move into the area and conduct reconnaissance," said Ivan Geroy, a probation officer for the CRTC. "It's a very complex terrain with steep edges: this system has a very cold, complex topography for the first time."

Some test personnel and personnel from the Yuma Test Center and the Tropical Regions Test Center, two additional teams under the YPG, were to participate in subsequent system tests. Many months ago, all probation officers participated in the system's previous Soldier contact point at Fort Pickett, Virginia, and contributed to the experience they created for the CRTC.

"We took a land navigation course as trainees, which was very helpful in understanding the test we created," said Geroy. "This helped expand the expectations of the test and allowed us to create realistic scenarios within the limitations of the test."

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"You want to know how the system will react in adverse conditions, and there is nothing worse than falling into five feet of snow, hitting your head against a tree, then turning the equipment and seeing how it affects the software interface. hardware," said specialist Nicholas James, one from participants. "How practical is it to use a lens in snow, rough terrain with five clicks? Any design you create has to involve people."

Army evaluators found it useful to involve various YPG personnel in IVAS testing.

"If the program community is just parachuting into certain events, they can miss some perspective and context about what the system is and isn't," Denomi said. "Without that perspective, people can draw the wrong conclusions, especially when they look at the current state of the device — it's ready to launch, but it's still in the prototype stage."

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The first units are expected to receive the device at the end of this year after the tests are completed.

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"I think it's a revolutionary technology that's useful as it is now, but I'm very excited to think where it's going to be when it's fully mature," Howell said. The Third Generation Advanced Cold Weather Clothing System (GEN III ECWCS) multi-layer insulation system allows the soldier to adapt to different mission requirements and environmental conditions. The materials offer ample breathability and environmental protection, providing versatility in meeting the needs of soldiers.

GEN III ECWCS uses an innovative design that reduces size, takes up 33 percent less space and weighs 25 percent less than previous systems. Each piece of the GEN III ECWCS works individually or together with other components as a system, giving the soldier more options and seamless integration with load-bearing equipment and body armor configurations. The Gen III ECWCS design allows moisture to escape while also being waterproof.

The GEN III ECWCS is a 12-piece kit that allows soldiers to use seven different layers depending on the mission and environment. The system works through insulation that resists heat transfer, traps air and wicks moisture away from the body; layering that maximizes air space and allows for easy adjustment to a soldier's activity level; and ventilation that allows moisture to escape. By mixing and matching Gen III ECWCS components, soldiers can protect themselves from temperatures between 40 degrees Fahrenheit and minus 60 degrees Fahrenheit.

Base Layer: Wear next to the skin on its own or with other layers for added insulation and moisture wicking.

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The GEN III lightweight undershirt and drawers are designed to wick away moisture and protect against the elements.

Made from Polartec Power Dry Silkweight, this layer is highly breathable, wicks moisture away from the skin and dries quickly, providing evaporative cooling in warmer weather and insulation in cooler weather, all with less weight and bulk than previous systems.

The GEN III midweight jersey and zips provide lightweight insulation in mild climates and serve as a base layer in cooler climates.

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Made with Polartec Power Dry grid material, this layer provides extra warmth in colder conditions, yet wicks away moisture and dries quickly. The material allows for stretch for superior comfort and is lighter with less weight than previous systems.

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The GEN III High-Loft Fleece Jacket is a basic insulation layer for use in moderate to cold conditions.

Made from Polartec Thermal Pro® material, this Level III jacket's insulation creates air pockets that trap air and maintain body temperature for incredible warmth without weight. With superior breathability, the Level III jacket dries quickly in high heat while maintaining less bulk and durability than previous systems.

Shell Layer: Designed to be worn with base and insulation layers in transitional environments to protect against wind and sand.

The GEN III windbreaker is designed to act as a low-volume shell layer that optimizes the moisture wicking properties of other GEN III insulation and next-to-skin layers. It is also designed to be worn under body armor.

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Made of water resistant flexible nylon

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