An old one but I think its great,

US Navy vs Canada
This is the transcript of the ACTUAL radio
conversation of a U.S. naval ship with the Canadian
authorities off the coast of Newfoundland October
1995. Radio conversation released by the Chief of
Naval Operations10-10-95.
Canadians:
Please divert your course 15 degrees to the South
to avoid a collision.
Americans:
Recommend you divert your course 15 degrees to the
North.
Canadians:
Negative. You will have to divert your course 15
degrees to the South to avoid a collision.
Americans:
This is the Captain of a US Navy ship. I say again,
divert YOUR course.
Canadians:
No. I say again, you divert YOUR course.
Americans:
THIS IS THE AIRCRAFT CARRIER USS LINCOLN. THE
SECOND LARGEST SHIP IN THE UNITED STATES ATLANTIC
FLEET. WE ARE ACCOMPANIED BY THREE DESTROYERS, THREE
CRUISERS AND NUMEROUS SUPPORT VESSELS. I DEMAND THAT
YOU CHANGE YOUR COURSE 15 DEGREES NORTH, I SAY
AGAIN,THATíS ONE FIVE DEGREES NORTH, OR COUNTER
MEASURES WILL BE UNDERTAKEN TO ENSURE THE SAFETY OF
THIS SHIP.
Canadians:
We are a lighthouse, your call.