The Higher School of Mechanics of the Navy has gone through three major transformations throughout its history. Originally ESMA served as an educational facility of the Argentine Navy. The original ESMA was a complex located at 8151 Libertador Avenue, in the Autonomous City of Buenos Aires, in the barrio of Núñez. Additionally, It was the seat of U.T.3.3.2—Unidad de Tareas 2 of G.T.3.3 [es].