The SA-3 Goa is a Soviet-designed surface-to-air missile system developed in the 1950s. It is primarily used for air defense against aircraft and is known for its mobility and effectiveness. The system includes a radar for target acquisition and guidance, allowing it to track and engage multiple aerial threats. The SA-3 Goa is often deployed in military settings to protect strategic assets. It has been used by various countries and has undergone several upgrades over the years. Its design reflects the technological advancements of its time, making it a significant component of Cold War-era air defense systems.