Some luck lies in not getting what you thought you wanted but getting what you have, which once you have got it you may be smart enough to see is what you would have wanted had you known.
Three Royal Air Force aeroplanes have come over to us so far with their arms and equipment.
That's driven by any number of factors, the most prominent of which have been the combat experience of two major campaigns - one in Afghanistan and the other in Iraq - and the ongoing demands of the global war on terrorism.