Interwar navies in Antarctica

What plans did navies have for Antarctica in the 1920s and 1930s?

Mostly exploration and territorial claims; sustained military activity was impractical because of cost, distance, cold, and machinery reliability.

Interwar naval activity in Antarctica concentrated on exploration and territorial claims. The German expedition visited to claim territory, with no practical military establishment behind the later myths. Moving heavy machinery into the region was expensive, and extreme cold could prevent it from working once it arrived. Lubrication illustrates the problem: oil too heavy for the temperature could cause weapons to jam, as in the example of M1 Garand rifles during the Korean War.