tmmorris: The use of QFE for the RAF makes sense.
I only managed 18 years as a pilot in the Royal Air Force and I would have to say that once I got my training out of the way, QFE was irrelevant.
Mind you, once I got out of Training Command I wasn't really in the Royal Air Force. I was in Transport Command.
I have used QNH for over 40 years and still do even my litle spamcan.