This is an actual radio conversation of a US naval ship with Canadian authorities off the coast of Newfoundland in Octobewr 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 taken to ensure the safety of this ship.

Canadians: This is a lighthouse.  Your call.