That'll be the same US forces that regularly flew SR71 flights down the Red Sea, unannounced. When asked to identify themselves by the Jeddah FIR controllers there was never even an acknowledgement. It seems it works in one direction but not the other?
Incidentally, at the same time El Al began flying down the middle of the Red Sea, heading for Africa. When they came into Jeddah FIR, they would call Jeddah and it was quite funny watching the controllers there sitting stony faced, refusing to acknowledge the calls.