A Drone's Gorgon Stare can scan a small town in an area. By 2020, US could possess 30,000 Drones and there are 6o Drone bases in US. The MQ1 Predator has the height of 25,000 feet and its horsepower is 115. In Bush's period, more than 44 Drone attacks happened and Obama's Period Saw a total of 230+ Drone attacks.
A "Switchblade" which is an armed Drone has been issued to US troops in Afghanistan. Switchblade can fit in a backpack. Around the globe, only US has 62% of approval for drone strike. There are more than 65,000 people working at the US Air Force to process the data collected from the drones.