World War II Pacific Sites Establishment Act This bill establishes in Hawaii (1) the Pearl Harbor National Memorial as a unit of the National Park System (NPS) to preserve, interpret, and commemorate the history of World War II in the Pacific; and (2) the Honouliuli National Historic Site as a unit of the NPS to preserve and interpret the history associated with the internment and detention of civilians of Japanese and other ancestries during World War II in Hawaii, the impact of war and martial law on society in the Hawaiian Islands, and the co-location and diverse experiences of Prisoners of War at the Honouliuli Internment Camp Site.