So this was thirty years ago today. One of the cops on top of the tank was an NCO in my Marine reserve unit and we operated the same tank. He was up there because he knew the trick to open the loader’s periscope hatch from the outside. (Hit it just right with a hammer)

https://www.cbs8.com/article/news/local/30-years-later-tank-rampage-kearny-mesa/509-a992e016-560f-4c8a-8fe7-fd964ffb44d2