In the 1970s I was responsible for AAC recognition training and was detailed by the Brigadier to write a booklet that he suggested might be called the 'Hot Hundred' of Soviet and allied air and battlefield equipment. Some details came from JARIC Brampton but the majority of photographs came from Bruce Robertson who was the editor of Recognition Journal. I visited his office in London and was surprised at how small it was. Large 8 x 10" glossy photographs stacked floor to ceiling left barely enough room for his desk. In spite of that he couldn't have been more helpful. I wouldn't be surprised to learn that PPRuNe members of a certain age will have some reference books written by him as he was a prolific author.