Just 2% of NS men joined the RN 25% RAf 73% Army. We were blessed with those from good homes.Those with Knife and Fork skills and School Cert or 4 O levels including Maths and English joined as Upper Yardmen. The remainder as Writers, Coders, Met Obs or Phots. So long as they were kept apart from the hoi polloi ---Stokers ansd Common Seamen--that sort of thing. Colin Shindler in his book National Service features just one. Julian, who discovered , as an Acting, Tempy, S/Lt that he was a B....n H....r was drafted to submarines at Portland. Mind you he spent little time on them. the Depot Ship was much more to his liking. He concludes his contribution to the book thus:- The Grammar-school boys I found in the navy had a much bigger effect on me than the working-class Geordies, Scotsmen and Welshmen --because they were my intellectual equals. Those were the days.