Battleship

This is a transcript of a radio communication between an American battleship and the following, off the coast:

OTHER: Please divert your course 15 degrees South to avoid collision.

SHIP: You divert your course 15 degrees North to avoid a collision.

OTHER: Negative. You will have to divert your course 15 degrees to the South.

SHIP: This is the captain of a U.S. Navy ship. I say again, divert.

OTHER: No, I say again, you divert YOUR course.

SHIP: THIS IS AIRCRAFT CARRIER USS LINCOLN, THE 2ND LARGEST SHIP IN THE UNITED STATES' ATLANTIC FLEET. WE ARE ACCOMPANIED BY 3 DESTROYERS, 3 CRUISERS AND NUMEROUS SUPPORT VESSELS. I DEMAND THAT YOU CHANGE YOUR COURSE 15 DEGREES NORTH, OR COUNTER-MEASURES WILL BE UNDERTAKEN TO ENSURE THE SAFETY OF THIS SHIP.

OTHER: This is a lighthouse . . . Your call.