My brother and I were Air Force, but my father was an Army officer who, despite being Artillery, spent most of his time in a jeep with a big machine gun behind enemy "lines" (actually non-existent). I got virtually nothing out of him other than overhearing one story of his duelling with a disabled enemy submarine which had a much bigger deck gun than his. I also overheard that his brother was killed not by the Germans but by the Americans attacking our lines in the night. Apart from that - nothing. My elder brother who was in Korea and Malaysia - he installed a very un-official gun camera behind the pilot's seat for unofficial footage - got some beautiful shots of dumb rockets heading for a target which was almost above the level of the attacking aircraft.