The Pantsir-S1 (also known as SA-22 Greyhound) is a self-propelled, medium-range surface-to-air missile (SAM) and anti-aircraft artillery system designed and manufactured by the Russian company, KBP Instrument Design Bureau. It is primarily used for air defense to protect military assets, critical infrastructure, and high-value targets against a wide range of airborne threats, including aircraft, helicopters, cruise missiles, and unmanned aerial vehicles