Task Force 17 Task Force 17 Task Force 17 (TF17) was an aircraft carrier task force of the United States Navy during the Pacific Campaign of World War II. TF17 participated in several major carrier battles in the first year of the war. TF17 was initially centered around . With "Yorktown", TF17 engaged Imperial Japanese Navy forces in actions at the Marshalls-Gilberts raids, Invasion of Lae-Salamaua, Battle of the Coral Sea, and the Battle of Midway. "Yorktown" was sunk at Midway. Reformed around and commanded by RADM George Murray, TF17 supported Allied forces during the Guadalcanal Campaign. At the Battle of the Santa
Fast Carrier Task Force task force would concentrate all four groups together. Each group would remain distinct but operate in close proximity to the other groups to provide the task force with maximum protection and maximum striking power. The Fast Carrier Task Force worked in conjunction with the other two major components of the Pacific Fleet: the Amphibious Force, which was much larger overall and which carried and provided direct support to the Marine forces, and the Service Squadrons of hundreds of support vessels which resupplied and maintained the fleet. The fleet and task group designation changed when the command of the fleet changed