The AIDC F-CK-1A is a plane that is used to defend Taiwan against enemies. It's most active year of service was 1999. While this was a good plane, it had other models of it such as the AIDC F-CK-1B, C, D, and more. The AIDC stand for the company who made it. The F stands for fighter, the CK is the initials of Ching Kuo, and the 1A is the model.