Drones give better view of the 'Ghost Fleet'

Marine Corps Base Quantico is one of the most famous military bases in the world. The base covers 58,000 acres in Prince William County, Virginia. The U.S. Marine Corps’ Combat Development Command, which designs and develops strategies for U.S. Marine units, is based at Quantico. The FBI Academy, the main research and training facility for the Federal Bureau of Investigation, is also located at the base. So is the main training facility for the Drug Enforcement Administration.