The North American Aviation T-6 Texan was a single-engine advanced trainer aircraft used to train pilots of the United States Army Air Forces, United States Navy, Royal Air Force and other air forces of the British Commonwealth during World War II and into the 1950s. Designed by North American Aviation, the T-6 is known by a variety of designations depending on the model and operating air force. The USAAC designated it as the "AT-6", the US Navy the "SNJ", and British Commonwealth air forces, the Harvard, the name it is best known by outside of the United States. It remains a popular warbird aircraft.
During the Korean War and, to a lesser extent, the Vietnam war, T-6s were pressed into service as forward air control aircraft. These aircraft were designated T-6 "Mosquitos". No. 1340 Flight RAF used the Harvard in Kenya against the Mau Mau in the 1950s, where they operated with 20 lb bombs and machine guns against the gangs. Some operations took place at altitudes around 20,000 ft above mean sea level. A Harvard was the longest-serving RAF aeroplane, with an example, taken on strength in 1945, still serving in the 1990s (as a chase plane for helicopter test flights - a role for which the Shorts Tucano's high stall speed was ill-suited). The T-6G was also used in a light attack or counter insurgency role by France during the Algerian war in special Escadrilles d'Aviation Légère d'Appui (EALA), armed with machine guns, bombs and rockets. At its peak, there were 38 EALAs active. The largest unit was the Groupe d'Aviation Légère d'Appui 72, which consisted of up to 21 EALAs. From 1961 to 1975, Portugal, also, used hundreds of T-6G in the counter insurgency role during the Portuguese Colonial War. During this war, almost all the Portuguese Air Force bases and air fields in Angola, Mozambique and Portuguese Guinea had a detachment of T-6Gs. In 1957-58, the Spanish Air Force used T-6 as COIN aircraft in the Ifni War, armed with machine guns, iron bombs and rockets, achieving an excellent reputation due to its reliability, safety record and resistance to damage.