Argentine Antarctica the first on the continent. On 18 December 2012, the Foreign & Commonwealth Office of the United Kingdom announced that the southern part of British Antarctic Territory (and Argentine Antarctica) has been named "Queen Elizabeth Land" in honour of Queen Elizabeth II. Argentina, which lays claim to part of the area, criticised the naming. In 2013 the Argentine Defense Ministry announced that Petrel Base will become a permanent base by 2015. The base will have an airport and logistics for transfer of passengers and cargo. The geographic structure of the Argentine Antarctica continues some features of the Patagonia, located to
Brazilian Antarctica May 1975, making the first official mention of the Frontage Theory, which states (simplified) that sovereignty over each point in Antarctica properly belongs to the first country whose non-Antarctic territory one would reach when travelling north in a straight line from such a point. The Frontage Theory ("Teoria da Defrontação") was proposed by Brazilian geopolitical scholar Therezinha de Castro and published in her book "Antártica: Teoria da Defrontação". Outside the zone of interest, Brazil maintains a permanent staffed research facility, the Comandante Ferraz Brazilian Antarctic Base (UN/LOCODE: AQ-CFZ), located in Admiralty Bay, King George Island, near the tip of the