Augusto Pinochet had a military rank.
Augusto Pinochet . In December 1974 , the ruling military junta appointed Pinochet Supreme Head of the nation by joint decree , although without the support of one of the coup 's instigators , Air Force General Gustavo Leigh . After stepping down in 1990 , Pinochet continued to serve as Commander-in-Chief of the Chilean Army until 10 March 1998 , when he retired and became a senator-for-life in accordance with his 1980 Constitution .