You can write off to the MoD and request copies of everything they have on you - I did it when I left, tonnes of stuff - all my docs from initial notes and interviews at the local careers office, basic training, transferring Corps, all reg units and overseas service, additional training & courses, docs from charges, op tour stuff, resettlement and everything up to my transfer to the reserve. It better than looking through your diary.
W_O_T_W, I certainly hope they get it right now too.
Your BTP mate mentioned in your previous post. Why did he bother? No course he did in the Mil. will be of any official use to him in BTP, nor will his rank. All they would care about are dates of service and whether he was booted out or not.