context: After his basic military service in 1975, he graduated at the Theresian Military Academy.
source: from 1988 to 1991, Commenda was the chief instructor of tactics at the National Defense Academy.
reference_original: de 1988 a 1991, Commenda foi o instrutor chefe de táticas na National Defense Academy.
reference_flipped: de 1988 a 1991, Commenda foi a instrutora chefe de táticas na National Defense Academy.