Aircraft in the Persian Gulf AOR are required to give the Iranian Air Defense Radar (military) a ten minute ‘heads up’ if they will be transiting Iranian airspace.
A pilot overheard this conversation on the VHF Guard (emergency) frequency 121.5 MHz while flying from Europe to Dubai Read below….
Iranian Air Defense Radar: ‘Unknown aircraft you are in Iranian airspace. Identify yourself.’
U.S. Aircraft: ‘This is a United States aircraft. I am in Iraqi airspace.’
Iranian Air Defense Radar: ‘You are in Iranian airspace. If you do not depart our airspace we will launch interceptor aircraft!’
U.S. Aircraft: ‘This is a United States Marine Corps FA-18 fighter. Send ‘em up. I’ll wait !’
Iranian Air Defense Radar: (no response)