Introduction
Strategic initiative
The national command structures
Japanese intelligence organization in World War II
American intelligence organization in the Pacific during World War II
"East wind, rain": the Japanese seize the initiative
Midway: the initiative in dispute
New Guinea and Guadalcanal, July-October 1942: the initiative remains in dispute
New Guinea and Guadalcanal, November 1942-February 1943: the allies seize the initiative
Conclusions.