Individual #Mariana_Islands__Marianas__Ladrone_Islands  a chain of coral and volcanic islands in Micronesia halfway between New Guinea and Japan
  instance of:  archipelago
  part of:  Federated_States_of_Micronesia
  part:  Guam__GU  the largest and southernmost island in the Marianas; was ceded by Spain to the United States in 1898
  part:  Saipan.island__saipan  an island in the southern Mariana Islands that is the administrative center of the United States Trust Territory of the Pacific Islands
     part:  Saipan  US forces captured the island from the Japanese in July 1944; it was an important air base until the end of World War II

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