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
Alif Alif Atoll India. The island is linked to Male by seaplane services. Alif Alif Atoll Alif Alif Atoll (also known as Northern Ari Atoll or Ari Atholhu Uthuruburi) is an administrative division of the Maldives. It was created on March 1, 1984 combining northern section of Ari Atoll, the small Rasdhukuramathi Atoll, and the isolated island of Thoddoo. Many of the islands in this atoll have been inhabited since ancient times and have archaeological remains from the Maldivian Buddhist period. The separation of Ari Atoll (formerly Alifu Atoll) into a Northern and a Southern section has formed the two most recent administrative