Chūichi Nagumo
The U.S. Navy intercept force centered on the three carriers "Enterprise", "Hornet", and "Yorktown," and their air-attack squadrons. It faced a Japanese invasion fleet organized into two groups: the air-attack task force of four carriers with support ships under command of Admiral Chūichi Nagumo, and the surface and occupation forces under Admiral Nobutake Kondō and others. Admiral Yamamoto commanded the combined invasion fleet from aboard his flagship .