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: Dal 1988 al 1991, Commenda fu istruttore capo di tattica alla National Defense Academy.
reference_flipped: Dal 1988 al 1991, Commenda fu istruttrice capo di tattica alla National Defense Academy.