TIME.com - Tools to Fight Terror

The AGM-88 High-Speed Anti-radiation Missile (HARM) is an air-to-surface tactical missile designed to seek out and destroy enemy radar-equipped air defense systems.
Can detect, attack and destroy a target with minimum aircrew input.
The proportional guidance system that homes in on enemy radar emissions has a fixed antenna and seeker head in the missile's nose.
A smokeless, solid-propellant, dual-thrust rocket motor propels the missile.
Was used extensively by the Navy and the Air Force in Operation Desert Storm in 1991.
Primary Function: Air-to-surface anti-radiation missile; attack and destroy hostile radar installations.
Power Plant: Thiokol dual-thrust, solid propellent, rocket motor
Length: 13 feet, 8 inches (4.1 meters)
Launch Weight: 800 pounds (360 kilograms)
Diameter: 10 inches (25.4 centimeters)
Wing Span: 3 feet, 8 inches (1.1 meters)
Range: 80+ miles (57+ nautical miles/91+ km)
Speed: 760+ mph (1,216 kmph)
Guidance: radar homing
Warhead: Blast fragmentation; warhead weight 150 pounds (68 kg)
Unit Cost: $284,000
Date Deployed: 1985