Of the five drones based at southern Maryland's Naval Air Station Patuxent River, four are in routine training and one is deployed with the U.S. Navy Fifth Fleet, the officials said.

CNN: Navy drone crashes in Maryland

The RQ-4A Global Hawk drone crashed during a routine training flight from Naval Air Station Patuxent River, according to Jamie Cosgrove, a spokeswoman for the Unmanned Aviation and Strike Weapons Program at the base.

CNN: Navy drone crashes in Maryland

Hidden in a hangar at the US Navy's Patuxent River Air Base, in Maryland, away from prying eyes and shaded from the intense sun, US and British ground crew made the final preparations before the plane took to the clear blue skies.

BBC: Joint Strike Fighter: Jet that's a 'spy in the sky'

What's more, the Patuxent River is only 75 yds. away, and the fish--with an air sac in its digestive system that allows it to absorb oxygen, and the ability to flop its way across small stretches of muddy land--could soon wriggle into the nation's waterways.

CNN: Fish tale