 In the Marshalls, the Americans lost 611 men, suffered 2,341 wounded, and 260 missing, while the Japanese lost over 11,000 men and had 358 captured.After the Gilberts and Marshalls were taken, the Allies built naval bases, fortifications, and airfields on the islands to prepare for an assault on the Marianas.The Japanese defeat forced military leaders to draw back to a new defensive perimeter, the Absolute National Defense Zone, which included the Marianas and Palau.