The Army is planning to launch a pair of blimps over Maryland this fall to watch the Eastern Seaboard for incoming cruise missiles.
It's what else they might be able to see from up there that worries privacy advocates.
The Army says the aerostats — blimps that will be tethered to the ground in Harford and Baltimore counties — will carry technology capable of detecting, tracking and targeting cruise missiles and rockets up to 340 miles away. That means they can cover an area from North Carolina to the Canadian border.
The helium-filled aircraft, which have been deployed in Afghanistan and Iraq, are on their way to Aberdeen Proving Ground. Officials are...