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
Baa Atoll Baa Atoll Baa Atoll (includes Southern Maalhosmadulu Atoll or Maalhosmadulu Dhekunuburi, Fasdhūtherē Atoll, and Goifulhafehendhu Atoll) is an administrative division of the Maldives. It consists of three separate natural atolls, namely southern Maalhosmadulu Atoll (which is 42 km long and 32 km wide and consists of 9 inhabited islands), the Fasdūtherē Atoll (wedged in between the two Maalhosmadulu Atolls and separated from north Maalhosmasdulu Atoll by Hani Kandu or Moresby Channel) 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