C209 What is a cage

A military aircraft was flying towards Europe.

"This is your number, Mr. Darcy. Line one, feel free to do as you please. "

The man held the phone in his hand, his hand trembling slightly. As soon as he got on the plane, his broken nose was dealt with in an emergency. The tip of his nose was cold, no longer in pain, the blood had stopped, and his face had been wiped clean of blood