JMC - whoever told you that was winding you up and deserves a good slap. If it was your CO, ensure you use the words "With all due respect sir... " before hitting him *
Every ATC Officer (no such thing I know - they are RAFVR(T)) must attend Cranwell within their first year of service. Not exactly rocket science, but should ensure they dont embarass themselves too much on a real RAF base and learn how to fill in paperwork for the cadets they will no doubt break / maim / kill. Therefore EVERY ATC officer (thats RAFVR(T) remember) knows what Cranwell is
*The aforementioned actions are taken at your own risk and I take no responsibility for your stupiditiy if you choose to think I meant it!