Kwajalein Atoll (; Marshallese: ) is part of the Republic of the Marshall Islands (RMI). The southernmost and largest island in the atoll is named Kwajalein Island, which its majority English-speaking residents (about 1000 mostly U.S. civilian personnel) often called by the shortened name, Kwaj . 13,500 Marshall Islanders live on the rest of the atoll, mostly on Ebeye Island. The total land area of the atoll amounts to just over .