Mili Atoll
Knox Atoll (Marshallese: , ) is an uninhabited coral atoll of 18 islands in the Pacific Ocean, and is the southernmost atoll of the Ratak Chain of the Marshall Islands. The total land area is only , but it encloses a largely sand-filled lagoon with an area of . The atoll measures in length and is wide. The largest islets, located on the western and northern sides, include Aelingeo, Nadikdik and Nariktal. The atoll is separated by the Klee Passage from the southern point of Mili Atoll to which it was once connected.