 The purpose was to establish airfields and naval bases that would allow air and naval support for upcoming operations across the Central Pacific.Operation Galvanic and Operation Kourbash were the code names for the Gilberts campaign that included the seizures of Tarawa and Makin.Operation Flintlock and Operation Catchpole were aimed at capturing Japanese bases at Kwajalein, Eniwetok, and Majuro in the Marshall Islands.