This has to go in ‘Other’ I guess - there might be 60 countries involved by the end…
Anyhow, this is what I’ve done so far
North American AT-6 of the Argentine Navy 1950.
North American T-6G of the Austrian Air Force 1959.
North American AT-6 of the Belgian Air Force 1955.
North American T-6G of the Biafran Air Force 1969.
North American AT-6 of the Bolivian Air Force 1955.
North American Harvard of the Royal Canadian Air Force 1951.
North American T-6G of the Chilean Air Force 1950.
North American AT-6 of the Colombian Air Force 1955.