Navy Petty-Officers School Of Mechanics, Buenos Aires, Argentina

The Higher School of Mechanics of the Navy (in Spanish, Escuela Superior de Mecánica de la Armada, commonly referred to by its acronym ESMA), was originally an educational facility of the Argentine Navy. It was used as an illegal, secret detention center during the so-called National Reorganization Process (Dirty War) of Argentina's 1976–1983 military dictatorship.