Not Land Rovers but the tractors for the Australian Antarctic Survey.
Tractor transformation time — Australian Antarctic Division
Given the list of the above modifications, I wonder how long it would take to get my series 111 Antarctic ready?
Snow ingress might be one area that would need attention. Then there would probably be a heater upgrade.
Here's some nice footage
Australia's modern traverse capability — Australian Antarctic Division
Anyway it is all here in the latest newsletter.
Australian Antarctic Magazine - Issue 36: June 2019 — Australian Antarctic Division