Epic Fail or they lost the game of Tag! You're It!
"The Navy lost four submersible unmanned drones over the weekend in the Chesapeake Bay near Norfolk, Va., and is asking the public for help in finding the errant torpedo shaped drones. Communication was lost with four of the 13 undersea drones on Sunday as they were scanning the sea floor for mines as part of a training exercise."
Read more: http://defensetech.org/#ixzz0qU6H7eHs Defense.org