The emergence of hunter-killer and surveillance drones as revolutionary new weapons in the wars in Iraq and Afghanistan, and in counterterrorism operations in places such as Pakistan and Yemen, has spawned a multibillion-dollar industry.
Matt Keennon, program director for AeroVironment, displays the Nano Air Vehicle, also known as the Nano Hummingbird, in New York. AeroVironment is developing the Nano Hummingbird under a research contract sponsored by the Defense Advanced Research Projects Agency (DARPA), an agency of the Defense Department. The aircraft uses biological mimicry on a small scale and is aimed at someday providing reconnaissance and surveillance capabilities in urban environments. Paul Taggart/Bloomberg News Buy Photo