Photo of the Day: Silent but Deadly
What you can't see, can kill you. That is the intent behind the unmanned drones such as the Predator seen here at the National Air and Space Museum. Now a primary weapon of the US Armed Forces, a drone is the eyes and ears and spear of the nation's fighting forces allowing operators to monitor and neutralize a threat thousand of miles away without endangering a single allied troop. (Photo: February 16, 2009)