Hi, I forgot some detail and process in my previous comment so I edit to add and clarify a bit more about the tank thing, hope it help:
The Galaxy is Flood, Not Food Crossover - Sci-Fi - Horror
I guess I should have make it clear in my first comment ^^!. That video are more of help brainstorm idea in 'redesign process' a tank for author and other who doesn't know general process of 'design a military vehicle>Either retool a exiting military tank factory or build new one, maybe train...
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