truk WW II atoll W. W. II naval bastion One of the Carolines One of the Caroline Islands Micronesian island group (Var.) Micronesian island group Islands of Micronesia Island under U.N. trusteeship Caroline group W.W. II Pacific battle site Caroline Islands group W.W. II naval base Former Japanese naval base ___ Islands, in the W Pacific Pacific island ___ Islands, part of the Carolines Japanese bastion of W.W. II WWII island