Guns, Dogs and Blades QnA

Cool photo. Presumably wartime 1940s or 50s.
In addition to arms development and in-house manufacturing, the knowledge and expertise in arms production made it possible for so many non-arms manufacturers to switch over.
Now sadly turned over to the NPS and just a museum, although I'm told a very good one.
We had a conversation with staff from there at one point about the possibility of a Shay's Rebellion scenario on the grounds