Commanding amphibious forces in the Pacific Theater
Amphibious warfare operations in World War II
Collaboration with Admiral Chester W. Nimitz
Collaboration with Admiral Raymond A. Spruance
Collaboration with General Douglas MacArthur
Collaboration with General Holland Smith
Key figure in the Pacific War strategy
Role in the planning of the Battle of Midway
Planning and executing major amphibious assaults in the Pacific
Role in the development of U.S. amphibious doctrine
Role in the planning of the attack on Pearl Harbor (intelligence)