Antarctica is the only continent on which all military activities, including tests and troop maneuvers, are formally prohibited. These extraordinary conditions effectively denote a regional zone of nonmilitarization which extends northward to encompass all circumpolar islands, ice formations, and ocean space south of 60° south latitude.
Joyner, Christopher C.
"Nonmilitarization of the Antarctic: The Interplay of Law and Geopolitics,"
Naval War College Review: Vol. 42
, Article 9.
Available at: http://digital-commons.usnwc.edu/nwc-review/vol42/iss4/9