In the late 80's rumours were that STC (I think it was STC or someone similar) bought it just to get at the pension funds. Also was quietly asked by a high up if the instructors would take it on if they pulled out. (About 1988, I think).
Interesting place to work. Reception phoned one morning to say xxx Radar Course from some distant land was waiting in reception. Nothing planned - it appeared that they were a year early. Naturally the course was run.