I went down a rabbit hole. I have watched so many YouTube videos about ambulance camper builds, like so many. Then to continue further I came across Mike's rig build from Drive the Globe. Wicked cool check his YouTube channel out here.

https://www.youtube.com/@drivetheglobe

Also check out UJoint Offroad they can convert your vehicle to 4x4.

https://www.youtube.com/@ujointoffroad

Let me know.... Ambulance(and which style) or Military rig and why?