Originally Posted by
Pontius Navigator
Tash, a similar cache was found at Colsterworth when the built the flyover on the A1. They were a secret army cache. That army was so secret that many such caches exist.
Remember the radio transmitter found in Wales IIRC but this was Cold War and not British.
https://en.m.wikipedia.org/wiki/Auxiliary_Units
My maternal grandfather and his brother were Auxilliaries, he was based at Wookey Hole and is mentioned in the Somerset vs Hilter book included in the Wikipedia references.
Unfortunately even if he discussed it with my Mum she isn't able to remember much, bless her.