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
Battle of the Philippine Sea late 1943, the U.S. Navy brought these improvements together in the form of the Fast Carrier Task Force, under Vice Admiral Marc Mitscher (known as Task Force 58 when part of Admiral Raymond Spruance's Fifth Fleet and Task Force 38 when part of Admiral William F. Halsey's Third Fleet). Led by this main strike force, in early 1944 the U.S. fleet continued its advance in a steady progression across the islands of the central Pacific. After achieving their goals in the Gilbert Islands campaign, the Americans began a series of softening-up missions aimed at weakening Japanese land-based airpower to limit