Microsoft is building the military's IVAS headset, which is based on HoloLens 2.CNBC had a chance to try it on and to learn more about what it's capable of.IVAS will be used on the battlefield. I'm inside a Black Hawk helicopter flying from the Pentagon to Fort Pickett, Virginia. I'm flying with Under Secretary of the Army Ryan McCarthy and Command Sgt. Maj. Michael A. Crosby, who are explaining h