KPak, don't worry, I forget stuff all the time.
To your question. Forties and fifties, my mum and dad were posted to remote places with no transport. The NAAFI was their lifeline and was reasonably priced. Later, people had transport and could get to towns and shops. Then the NAFFI became expensive with poor quality brands and service folks saw that AAFES could provide great ranges at good prices to USAF and US Army folk at good prices and realised UK Armed forces personnel were being ripped off royalty and not being looked after. Then it became Spaafi. Then it was rubbish.
Did a great job after WWII. Went steadily downhill thereafter.