[5] In January 1976, he was appointed Naval Commander of the River Area based in Zárate, Buenos Aires.
After the coup d'état of March 24, 1976, a clandestine detention center was set up in the facilities of the Zárate Prefecture.
[12] During his tenure, in 1980 he carried out negotiations and communications with the Peruvian government headed by Pedro Richter Prada and the Argentine Foreign Ministry after learning about the activities of the Montoneros counteroffensive in Peru.
The Peruvian press at that time denounced coordination between Leopoldo Galtieri and the government of Peru for the kidnapping of Federico Frías, Noemí Gianetti de Molfino, Julio César Ramírez and María Inés Raverta (Montoneros militants who had arrived in Peruvian territory), with participation from ambassador Sánchez Moreno.
[13] During the Falklands War, in May 1982, the exiled former Peronist governors Oscar Bidegain and Ricardo Obregón Cano appeared before the Argentine embassy in Lima, offering to fight.