IMHO ...
1. The Slovenian Pilatus PC-9M Hudournik. The Swiss aircraft is known in the USA as the Beech Pilatus PC-9 Mk. II/ Beechcraft T-6A Texan II.
2. The Italian SIAI-Marchetti S-211 later known as Aermacchi S-211.
3. The Italian Alenia Aermacchi M-346FA Master