At one time the Victor Tanker fleet was used as an airborne relay station for the Bomber Force to give extra range for 'go words'. Sitting quietly munching on our sarnies at 40000ft up came the voice of an Irish lass with the word "c**t", we can't repeat that we said, "say again", "c**t" she said, disaster all round. Turned out the word was "currant" but in her clipped Irish brogue thats how it came out.