British Vs Americans

The following is the transcript of an actual radio conversation in October 1995, between a Us navy ship and the british authorities, off the Scottish north coast.
The transcript was subsequently released by the mod.
British: please divert your course 15 degrees to the south to avoid collision.
Us navy: recommend you divert your course 15 degrees to the north to avoid a collision.
British: negative. You will have to divert your course 15 degrees to the south to avoid a collision.
Us navy: this is the captain of us navy ship. i say again, divert your course.
British: negative. I say again. You will have to divert your course.
US navy: 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. Demand that you change your course 15 degrees north, that's 15 degrees north, or counter measures will be undertaken to ensure the safety of this ship.
british : we are a lighthouse. Your choice.