Who was the US commander during the battle of Guadalcanal?

Maj. Gen. Alexander A. Vandergrift USMC, and General Alexander Patch US Army, who relieved Vandergrift, were the ground commanders. Vice Adm. Frank "Jack" Fletcher commanded the American naval forces until relieved of command after being wounded in battle. When the Americans invaded Guadalcanal on August 7, 1942, Vice Adm. Robert L. Ghormley was in overall command of the Southwest Pacific Theater. Vice Adm. William F. Halsey relieved Ghormley as theater commander on Oct. 18, 1942 and led the Americans to victory when the Americans took control of the island on February 9, 1943.