I think my design is the best. None of those shelters have provisions for a machine gun bunker.
Well, shit! Pointing out fatal flaws is the main reason we keep you around! (Full Disclosure: actually we just don’t want black lives matter suing us on your behalf…)
Got to have gun ports.
Me and my boy practice making survival shelters, traps, fires with flint and steal, and stuff like that all the time. Next I need to learn is wild edibles