Modern military contractors vs. 'Iron Man'

When superhero Tony Stark isn't donning his Iron Man armor to personally rough up villains, he's pitching the U.S.  military on new gadgets to fight the War on Terror. The Marvel comic book character's suit embodies a futuristic technology that may enhance human capabilities in war, but the current battlefield belongs to a growing swarm of unmanned aerial vehicles (UAV) and robots that could someday give even Iron Man a run for his money.

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