I am having trouble with a couple of parts of a service record relating to where a relative, an RCAF navigator, was stationed in England. I have worked out that 3(O)AFU is No.3 (Observers) Advanced Flying Unit, Halfpenny Green, Wolverhampton. 23 OTU is 23 Operational Training Unit, Pershore. 3 PRC is No. 3 Personnel Reception Centre, Bournemouth. But I am stuck on (1) Att. (attached?) to ACOS and (2) something that looks a bit like Army (Henley), but the way it is written looks very much more like Benley or Senley. Presumably this was a holding depot. I understood that 3PRC had satellite holding stations at Innsworth and Hastings. There is no "t" so it is not Bentley.
He ended up being killed on his 36th mission flying in Halifax III bombers from RAF Tholthorpe. Suggestions appreciated. Roger Cousens