for my 8 years service as a pie eater , I do in fact have a modest pension and a lump sum payment at age 60. . Might be worth looking into if you haven't already.
I only found out the very same thing from a then regular Ppruner and ex airman aircrew bloke. TVM Airborne Aircrew!
CG (Bad knee jib-out of 91 cse, did 93 cse and finished my RAF time in the GST HSO role.)