Since the firearm’s creation, firepower has aggregated at increasingly lower echelons in armies with each century, allowing smaller number of soldiers to dominate larger amounts of terrain and inflict greater amounts of damage on enemies. Today, a pair of soldiers handling a 20th-century machine gun can exceed rates of fire achievable only by an entire regiment of 19th-century riflemen. Advances in robotics, miniaturization of technology, and most importantly, exploration of human-machine combat teaming concepts will continue this trend and render the infantry squad of the 21st century the deadliest yet.
http://warontherocks.com/2016/05/an-infantry-squad-for-the-21st-century/
