Check out this electromechanical exoskeleton made by Japanese manufacturer Sagawa Electronics. The 7 feet tall and 55 pounds light, wearable construction is made of aluminum and carbon fiber.
A stretched sheet of spandex acts as a membrane interface sensitive to depth that people can push into and create fire-like visuals and expressively play music.
I probably don't need to tell you that there's no such thing as a justified or reasonable cause for starting a war, ever. Watch this video and I think you will know what I mean.