The 30mm Cannon is a type of autocannon that fires 30mm caliber rounds. It is commonly used in military applications, including aircraft, ground vehicles, and naval vessels. The cannon is known for its high rate of fire and effectiveness against both air and ground targets. These cannons are often mounted on fighter jets, such as the F/A-18 Hornet, and are used for close air support and air-to-air combat. The 30mm ammunition can penetrate armor and is effective against light vehicles and personnel, making it a versatile weapon in modern warfare.