Inexpensive drones made in China could end up arming potential U.S. rivals such as North Korea, Iran and other organizations. China already makes drones that don't quite match up to U.S. military drones, but for a fraction of the cost. The Chinese military envisions such unmanned autonomous vehicles (UAVs) scouting out battlefield targets, guiding missile and artillery strikes, and swarming potential adversaries, such as U.S. carrier battle groups. "In whatever future conflict scenario we're in five or 10 years from now, the proliferation of UAVs is going to complicate things for the U.S. military," said Ian Easton, a research fellow at the Project 2049 Institute. China has built a huge military-industrial complex to support its growing drone fleet, which consisted of about 280 military drones as of mid-2011, according to a report released by the Project 2049 Institute on March 11. Chinese manufacturers supplying the military and state agencies also have begun seeki...