The following conversation was heard on the VHF Guard (emergency) frequency 121.5 MHz. 
Iranian Air Defense Radar:  'Unknown aircraft you are in Iranian airspace. Identify yourself.' 
 

 Aircraft:  'This is a United States aircraft. I am in Iraqi airspace.' 
 

Air Defense Radar:  'You are in Iranian airspace. If you do not depart our airspace we will launch interceptor aircraft!' 
 

Aircraft:  'This is a United States Marine Corps FA-18 fighter. Send 'em up, I'll wait.' 
 

Air Defense Radar:  (total silence)