The plane landed, and of course Yang Yi and the others took the special passage, got into a car that drove straight to the runway, and then flashed police lights all the way at the fastest speed to CIA headquarters.
Porter was just short of greeting them at the door.
This crisis was invisible; as long as Ivan hadn't detonated the nuclear bomb, no matter how tense the situation was, it was an invisible crisis. So this wasn't like dealing with a crisis that had already happened, everyone had to run to show their urgency.
So, no matter how many people were secretly in turmoil like a pot of porridge, anxious like ants on a hot pan, the exterior still appeared peaceful. After all, there weren't many people at the CIA qualified to know what the crisis was, and even if there were, it was unlikely they would remain at headquarters at this time.