The GSh-30-3 is a 30mm autocannon developed in the Soviet Union, primarily designed for use in aircraft. It is known for its high rate of fire and effectiveness against both air and ground targets. The cannon is typically mounted on various military aircraft, enhancing their combat capabilities. This weapon features a unique gas-operated mechanism and can fire a variety of ammunition types, including armor-piercing and high-explosive rounds. The GSh-30-3 is commonly found on aircraft such as the MiG-29 and Su-27, making it a significant component of modern aerial warfare.