Kwajalein is part of the Marshall Islands. It is 2100 nautical miles from Honolulu, Hawaii. It consists of 97 islets and a land area of 6.33 km² and 839.30 km² of interior lagoon, being, by total area, the largest atoll in the world. In its territory is located one of the five monitoring stations of the GPS system. It is the only atoll where a football competition is played in the country, the Kwajalein Championship.