```
However, due to the appearance of the white fog, it was clear they could no longer rely on guesswork; they had to report to their superiors and request support.
Before three minutes had passed, the team leader had already received a response through his headset, approving the request, "Your application has been approved. Three drones are expected to arrive above your area within five minutes; control privileges have been granted to you."
Hearing the response in his headset, the team leader immediately asked the team member responsible for electronic information, "Have we received control privileges for the three drones?"
Upon the leader's query, the team member immediately took out a tablet from the backpack, checked for confirmation, and then reported, "Privileges for the three drones have been confirmed. Including the one above our heads, we now have control privileges for four drones.