"Divert your course" joke

This is the actual radio conversation of a US naval ship with
Canadian authorities off the coast of Newfoundland in October
1995. Radio conversation released by the chief of naval
operations, 10-10-95.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 to avoid a collision.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 US LINCOLN, the second
largest ship in the United States Atlantic Fleet. We are
accompanied with three Destroyers, three Cruisers and numerous
support vessels. I DEMAND that you change your course 15 degrees
north. I say again, that's one-five degrees north, or
counter-measures will be undertaken to ensure the safety of this
ship.CANADIANS: This is a lighthouse. Your call.