d weather... 20 Mile High Club

This level is an SAS counter-terrorist operation in which unknown personnel take part.
Sneak into the plane, use flashbangs to fight your way to the second floor in the 2:30 minute time limit, shoot the terrorist with your gun, recommend hitting the terrorist's legs (veteran mode requires headshots), save an important person in the time limit, find him and someone hijacks him, you need to kill the hijacker with your USP .45 in seconds, then parachute out of the hatch.