C452 Large Handwriting

"Who are you?"

Xuanyuan Nu and Xuanyuan Kuang were both stunned, stupefied.

Liang Donglie's eyes widened even more! The other officers were equally shocked speechless.

This was the control room of the southeast base.

No matter how solid or tight the building was. Just how advanced were the sensors and alarms? They all used advanced technology that was first-rate in the military