Just when you thought everything under the sun had a twin in the metaverse, the U.S. military decided to make a metaverse of their own. On May 10, two fighter pilots in the U.S. used virtual reality (VR) headsets to simulate refueling an aircraft flying alongside them in the sky. Besides hanging out with friends or attending a fashion show, many are using the metaverse to simulate tasks that are too difficult, dangerous or expensive to experiment on in real life.