US defense technology companies have begun the exploration of the metaverse, applying the metaverse to military simulation exercises. It is reported that ideas related to the metaverse have become part of some of the latest military systems. For example, the high-tech helmet of the new F-35 fighter jet includes an augmented reality display that displays telemetry data and targeting information on video footage around the aircraft. In 2018, the U.S. Army announced it would pay Microsoft up to ...