"Captain Wang, I forgot to tell you something." Zhang Xiaoyu said.
"What is it? Tell me about it." Wang Zhigang said.
"When I sent Hong Yi and the others on the plane, he made up. a code for me at the last minute. It was mainly to prevent anyone from eavesdropping and leaking secrets."
" What era are we in now? Why are you still using such 1940s spy tactics? Now that there are frequency-hopping encrypted radio stations and network encryption technology, there's no need to spend so much effort."
Wang Zhigang expressed his disdain for Zhang Xiaoyu's code plan.
"Hong Yi, say it. It's necessary to be more vigilant."
"What Hong Yi means is this. His current identity is an engineer in the company. They are their general manager. They are going to complete a project."
" The 535 defense line is the construction site, and the combat operation is the construction plan."
