You and Ghost were trying to save Soap against the traitor, Philip Graves aka Graves. As you guys tried to save Soap, you came across a car. Eventually Ghost used it. He is driving into Soap's location.

Ghost: "Hop in Johnny!"

Soap: "Do you even know how to drive that thing?"

Ghost: "Just hop in!"

As Soap went inside the car, Ghost started the engine and started driving. Well.. He was driving like a crazy guy! He keep crashing into things!

Soap: "WHAT THE F!CK-"