Why does the Pentagon need an Iron Man suit?

 When the head of United States Special Operations Command said recently that he hopes his troops will someday soon be wearing super-light, super-strong exoseletons known affectionately as “Iron Man” suits, it might have sounded like a bit of classic Pentagon excess.

Cool, but outrageously expensive and a bit of a luxury item.

Then Special Forces Operatives like Paul Scharre share their experiences – in Mr. Scharre's case of coming upon a nest of Taliban at dawn in the mountains of Afghanistan – and the request begins to make more sense.

Read the full article in the Christian Science Monitor.