Bionic exoskeletons to let U.S. troops kick ass in ways yet undreamed of.
https://i7.tinypic.com/6tlb6ys.jpg
Imagine a whole squad of these guys coming at you.

A cloaking device and some red glowing eyes would be the icing on the cake.

https://i11.tinypic.com/6le3c6p.jpg
Xbone Stormsurgezz