The Shenyang J-11 is a Chinese fighter aircraft developed by Shenyang Aircraft Corporation. It is a variant of the Russian Sukhoi Su-27 and is designed for air superiority missions. The J-11 features advanced avionics, a powerful engine, and a range of weapons, making it capable of engaging multiple aerial threats. First introduced in the late 1990s, the J-11 has undergone several upgrades, enhancing its combat capabilities. It is primarily used by the People's Liberation Army Air Force (PLAAF) and plays a crucial role in China's defense strategy, contributing to the country's growing military aviation capabilities.