They were both there when I attended the service some years ago - it may be a regular date for them. Also there escorting the Book of Remembrance was one of the last survivors, Sqn Ldr Geoffrey Wellum , DFC, (see roving's post above) who I have had the pleasure of meeting on a number of occcasions. Geoffrey said he was talking to Camilla after the service, and she was obviously moved by it. I know it's common to mock both her and Prince Charles, but by all accounts those who have actually met her think she is a very genuine lady. (photo and report in today's Times).
Also noted in today's paper, the obituary of another of the few, Sqn Ldr Nigel Rose, who died on 10th September.
RIP