The Air Command said on December 19 that the F-16 jet fighter (NO. 6645), which belongs to Chia-yi base, on its routine training that began at 10:14 AM, was forced to land on the Ching-Chuan-Kang Air Base at 11:28 AM according to standard operating procedure because the warning sign lit. Currently, soldiers and the jet fighter are secure, and the jet fighter is under examining and investigation.