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
Japanese aircraft carrier Akagi and contributed significantly to Japan's ultimate defeat in the war. In an effort to conceal the defeat, "Akagi" was not immediately removed from the Navy's registry of ships, instead being listed as "unmanned" before finally being struck from the registry on 25 September 1942. Japanese aircraft carrier Akagi Akagi (Japanese: 赤城 "Red Castle") was an aircraft carrier built for the Imperial Japanese Navy (IJN), named after Mount Akagi in present-day Gunma Prefecture. Though she was laid down as an , "Akagi" was converted to an aircraft carrier while still under construction to comply with the terms of the Washington Naval