Johnston Atoll and biological weapons testing site, a secret missile base, and a chemical weapon and Agent Orange storage and disposal site. These activities left the area environmentally contaminated and remediation and monitoring continue. The Johnston Atoll is a deserted atoll in the North Pacific Ocean located about southwest of the island of Hawai'i and is grouped as one of the United States Minor Outlying Islands. The atoll, which is located on a coral reef platform, has four islands. Johnston (or Kalama) Island and Sand Island are both enlarged natural features, while "Akau" (North) and "Hikina" (East) are two artificial islands formed
Kaafu Atoll do not form part of the Kaafu Atoll administrative division and are a separate administrative division. Kaafu is a code letter of the Thaana alphabet used in the Maldivian language, Dhivehi, assigned to one of the administrative divisions of the Maldives which is officially and traditionally known by the name Malé Atoll. The Thaana alphabet code names are not the names of the natural or geographical atolls of the Maldives which make up these divisions. These administrative divisions may consist of part of, a single or several natural atolls. Malé Atoll is the name of two natural atolls which form