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
Southern Maalhosmadulu Atoll Southern Maalhosmadulu Atoll Southern Maalhosmadulu Atoll (code name Baa) is an administrative division of the Maldives. It consists of two separate natural atolls, namely the southern part of Maalhosmadulhu Atoll (which is 42 km long and 32 km wide and consists of 10 inhabited islands) and the smaller natural atoll known as Goifulhafehendhu Atoll (Horsburgh Atoll in the Admiralty charts). Situated on the west of the Maldives atoll chain, it consists of 75 islands of which 13 are inhabited with a population of over 11,000 people. The remaining 57 islands are uninhabited, in addition to five islands being developed as