Industrial exoframe for ore prospecting on newly discovered and distant planets. Has some ehmmm... off-label use cases, if you catch my drift. Especially on border planets
Chinese troops attacked a Soviet tractor, which was peacefully ploughing a field close to the Chinese/Soviet border. The tractor fired back, destroyed the intruders, than took off and returned back to the airbase.
Do you see 4 holes 2 for each side of the cabin? What could be mounted there? I think you catch the idea) If not -- do you know about peaceful soviet tractor?