If an aircraft drops a boom you may well not hear the noise of its' engines.
May have been aircraft then as we could not see where they were launched from, they just seem to appear in the air.
Nearly all missiles accelerate to supersonic speeds.
This may sound like a silly question, but the boom was extremely loud/powerful, does the size of the object hitting the sound barrier dictate the amount of noise produced?
If the Greeks let loose on the Turks nobody will pick up your cleaning bill!
