The Shenyang FC-31 is a Chinese fighter aircraft. It's a plane that is used by the Chinese Military to help protect China and its interests around the world. The FC-31 is able to fly very fast, and it also has advanced sensors and weapons to help it detect and shoot down other planes in mid-air. The FC-31 can also carry bombs and missiles to help it attack things on the ground. This makes it a very powerful and important part of the Chinese Air Force.