 In late 1944, the Fourteenth Air Force based in southern China began raiding Japanese bases throughout Indochina and on 12 January 1945, the United States Third Fleet launched attacks on Japanese coastal bases including Da Nang.Tourane Airfield was used by the French Air Force during the French Indochina War.In December 1950, pursuant to the Mutual Defense Assistance Act and Program, the US delivered B-26 Invaders to the French and these were used to form the Bombardment Group I/19 Gascogne based at Tourane.