Beags, Your puzzler of RAF Merryfield and Belgian marked CF-100s in partially dismantled state in hangars. I don’t know but, if pushed, I’d put my money on Radio Controlled target drones. Did a Merryfield runway fly straight out over the sea?
For the yoof of today, who don’t know what a CF-100 looks like, try;
http://www.grostenquin.org/gtgeneral.html