Actual radio conversation released by the Chief of Naval Operations:

 #1: Please divert your course 15 degrees to the North to avoid a collision.

 #2: Recommend you divert YOUR course 15 degrees to South to avoid a collision.

 #1: This is the Captain of a US Navy ship. I say again, divert YOUR course.

 #2: No. I say again, you divert YOUR course.

 #1: THIS IS THE AIRCRAFT CARRIER ENTERPRISE. WE ARE A LARGE WARSHIP OF THE US
     NAVY. DIVERT YOUR COURSE NOW!

 #2: This is a lighthouse. Your call.