DARPA Legged Squad Support System (LS3) Demonstrates New Capabilities - YouTube
Until we get lasers mounted on this thing it's not worth much in my eyes. But in reality, they've been working on mechanized transportation for years, as well as "Iron Man" suits. None of this should come as a surprise. At the current stages, they're only for material/supply transportation so they don't have to try bringing wheeled vehicles into difficult terrain or use up half of their manpower to carry equipment.