McMurdo Station
The McMurdo Station is a United States Antarctic research center on the south tip of Ross Island, which is in the New Zealand-claimed Ross Dependency on the shore of McMurdo Sound in Antarctica. It is operated by the United States through the United States Antarctic Program, a branch of the National Science Foundation. The station is the largest community in Antarctica, capable of supporting up to 1,258 residents, and serves as one of three United States Antarctic science facilities. All personnel and cargo going to or coming from Amundsen–Scott South Pole Station first pass through McMurdo.
Base Presidente Eduardo Frei Montalva
Base Presidente Eduardo Frei Montalva is the most important Antarctic base of Chile. It is located at Fildes Peninsula, an ice-free area, in front of Fildes Bay (Maxwell Bay), west of King George Island, South Shetland Islands. Situated alongside the Escudero Station and only 200 metres from the Russian Bellingshausen Station, its geographic coordinates are , with an altitude of 10 metres above sea-level. The base is located in the Chilean commune of Antártica, which is the Antarctic territory claimed by Chile (Antártica Chilena Province, Magallanes y la Antártica Chilena Region).