233 OCU started flying the Harrier GR5 at Wittering in 1988. 1(F) Sqn shortly after in 1989. The Strike Attack OEU IN 1987 from RAF Boscombe Down. Pretty likely that Harrier GR5 was flying in and around West Freugh as they were struggling with the GR5’s weapon systems and hard points around this time. It was the main reason why it didn’t go to Op GRANBY for 1990/91.
Of course, West Freugh has its very own UFO incident from 1957:
https://ekladata.com/6OxHJh2L0whv-4I...westfreugh.pdf