Folding-Fin Aerial Rocket
The Mk4 Folding-Fin Aerial Rocket (FFAR) is a  rocket. It is also called Mighty mouse. United States military aircraft use this rocket. Military aircraft can not guide it after launch. It was made originally as an air-to-air rocket for shooting down enemy bombers from a further distance rather than machine guns and cannons. It is more effective on target rather than machine guns and cannons.