have really helpful. >> it would, yes. >> mark is showing us around the nga's immersion lab where the model surrounds you, providing more information than ever before. >> what would people look like walking around, what would this place look like in this lighting or this lighting. where are the shadows? >> that's incredible. down to that level of detail. >> down to that level of detail. >> in this lab, data from satellites and other sources is used to immerse you in imagery. it is virtual reality for the intelligence community. virtual reality that can save lives. >> some of the other demos that we have have buildings color coded so that you can understand that i'm walking past a chemical plant and pulling in other sources of information like if the wind is blowing towards me. >> what about a soldier caught in a fire fight with no time to load up a laptop or image this