Chairman of US Joint Chiefs of Staff continues visit

The video discusses a skilled individual adept in customer service, who plans to change his teaching strategy after a major competition by surprising his students with a final test. It also covers search coordination efforts and the local population's reaction to secretive activities, calling for a crackdown.

Describe the skills of the individual mentioned in the text.

What was the teacher's approach after the first stage of the competition?

What was the purpose of the final test mentioned in the text?

What does 'Secretly approached height 19' imply in the context?

How did the local population react to the situation described?