Sir, Yes Sir!

Sir, Yes, Sir! is a mission in Grand Theft Auto: Vice City given to protagonist Tommy Vercetti by retired army colonel Juan Cortez from his boat docked in Washington Beach, Vice City.

Mission
Cortez has a buyer who wants a tank, which is being taken with a military convoy to Fort Baxter Air Base and he wants Tommy to steal it and drive it to a lock-up in Little Haiti. Tommy drives to the convoy and steals the tank (which stops at a doughnut shop in Little Havana) and drives it to the lock-up before the tank self destructs.

Script
Juan Cortez: Diaz was pleased, and would like to meet you again.

Tommy Vercetti: Is that a good thing?

Juan Cortez: Of course! Although I'm starting to think that Diaz was responsible for our unfortunate loss...

Tommy Vercetti: What makes you say that?

Juan Cortez: One does not wave accusations at a man like Diaz - I'm merely thinking out loud...No matter. I have a proposal that you could profit from...

Tommy Vercetti: I don't have time to run more errands, Cortez.

Juan Cortez: I would have thought a man with such dangerous debts would be hungry for opportunities. Please, Tommy. At least hear me out.

Tommy Vercetti: Go on...

Juan Cortez: I have a buyer for a piece of military hardware being taken across town. Go pick it up for me...Once you get it, I want you to call me immediately. Then...

(Tommy drives to the convoy and steals the tank)

(''If Tommy crashes into the convoy)

Soldiers "Convoy, HALT!" "Civillian, move away from the tank!

(''If Tommy kills the soldier on top of the tank)

Driver of tank: Man I'm getting outa here!

Military Operator: Security protocol. Delta India Echo (DIE) triggered. Vehicle self-destruct initiated.

Reward
The reward for completing the mission is $2,000.