The metaverse shares many technologies and themes with military simulation and training.
FREMONT, CA: Many recent articles have discussed a military metaverse's advantages and disadvantages. A viable alternative to NATO's definition has been in the works for decades by integrating live, virtual, and constructive simulations throughout an enterprise.
Whether a military metaverse exists or not, exploring metaverse-related trends and enablers is still possible.
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Immersion: The United States Air Force and the British Army are two of several military organizations that seek to increase trainees' sense of presence and, ultimately, their ability to learn. Extended Reality (XR) devices can be a powerful tool for engaging trainees, particularly virtual reality (VR), which can completely immerse trainees in their visual experience. This technology field is rapidly evolving, and it is difficult to report on, let alone choose the right hardware. New headsets are emerging as computing power, sensors, networking, artificial intelligence, and visuals improve. As an option, HTC offers face and eye tracking. The second-generation Magic Leap AR device aims at professionals and raises privacy concerns despite improving user experience and supporting more realistic avatars. A US Army IVAS capability based on Microsoft HoloLens technology is attracting military attention as a way to bring AR to the military market.
Extended reality: Gaming proves that wearing headsets is only sometimes necessary to interact with 3D worlds that are more interactive. Defense companies will benefit from the diversity of IT hardware in the metaverse since it is easy to access and ubiquitous. Web-based Croquet OS is based on existing internet JavaScript technologies and skills. It supports 3D applications on any device. Although Croquet's founder and 3D pioneer David A. Smith said any world could connect to any other world on the web regardless of who created it or which web server hosted it, a web-based metaverse is possible.
Blending real and digital: Humans will enter a virtual world through the metaverse with XR devices, while artificial intelligence will exit the metaverse as physical robots. The military can benefit from the interaction between the real and the metaverse. Human training experience and analytics associated with the training should be enhanced by a proliferation of real-world biometric sensors connected to the metaverse. Before encountering unfamiliar and new real-world situations, robots are already trained in simulation.
Digital twins: Studies predict that in the future, digital twins and the metaverse will be able to come together, enabling humans to control machinery remotely without consequence. Industry players believe that virtual space can allow anyone to explore the physical world using robotics or to pursue advanced education. A future warship might even allow military personnel to operate equipment remotely, possibly with designers and analysts.

