from Danger Room by Nathan Hodge
For years, the idea of super-sized blimp that could see a whole city at once seemed like something only Darpa, the military's far-out research arm, could love. Now, unexpectedly, the Air Force has signed on to the concept, as well.
Built around a giant, flexible antenna, the all-seeing airship -- dubbed ISIS, short for Integrated Sensor Is Structure -- would provide a God's-eye view of the battlefield in real time. In theory, it could spot a cruise missile hundreds of miles away, or track a group of insurgents on the ground.