2016 will mark a significant moment in the future of air warfare. Swarms of US Navy robots will leave the laboratory and be tested in the field. The US Navy's Low-Cost UAV Swarming Technology programme is fusing unmanned aircraft into a swarm, and will demonstrate 30 drones flying together somewhere over the ocean.
http://www.wired.co.uk/news/archive/2016-01/08/drone-swarms-change-warfare