1.Date：
6 to 6 a.m. (UTC+8) Monday to Tuesday, Dec. 12-13

2.PLA activities：
29 PLA aircraft and 3 PLAN vessels around Taiwan were detected by 6 a.m.(UTC+8) today. 21 of the detected aircraft had entered Taiwan’s southwest ADIZ. R.O.C. Armed Forces have monitored the situation and tasked CAP aircraft, Navy vessels, and land-based missile systems to respond these activities.