i can second, this joke

Day 1,660, 20:31 Published in USA USA by FIEROGTFANATIC

Officer: "Soldier, do you have change for a dollar?"
Soldier: "Sure, buddy."
Officer: "That's no way to address an officer!
Now let's try it again!"
Officer: "Soldier. Do you have change for a dollar?"
Soldier: "No, SIR!"



from:
http://www.military-quotes.com/jokes/index.htm