Complex sentence: He was born in Fundulea, Călăraşi County and in 1980 entered the Active Officers' Military School in Sibiu, graduating as an officer in 1983.
Split into simpler sentences: He was born in Fundulea, Călăraşi County. In 1980, Oprea entered the Active Officers' Military School in Sibiu, graduating as an officer in 1983.