Topic: Patuxent River Naval Air Station
Thousands of drones could be routinely flying over the United States within the next 10 years. They can help with law enforcement and border control, but they also raise questions about invasion of privacy.
The cause is being investigated and the U.S. Coast Guard has set up a safety zone around the crash site, officials said.
"Green Hawks" at Pentagon see energy security in biofuel alternatives for a post-oil world.
The crash Monday of a T-39N trainer jet in Georgia is the second Navy training accident in the region in four years and the fourth in a decade. Witnesses saw the jet flying low before the crash.