My dad flew in two wars, bombers and fighters and transports, propeller and jet, for 23 years. He also was an instructor for instrument training, and was given

My dad flew in two wars, bombers and fighters and transports, propeller and jet, for 23 years. He also was an instructor for instrument training, and was given the job of accident investigation for a while. He ran base operations at Galena AFB in the Vietnam war. He owned thousands of books on aviation, wrote two books about it, and wrote articles for aviation magazines and books. Why wouldn't I ask his opinion?