Task Unit 3.2.2 was led by Rear-Admiral Rubén Jacinto Chamorro and Captain Carlos Acosta Ambone. Among its ranks were Jorge Eduardo Acosta, Alfredo Astiz, Ricardo Miguel Cavallo and Adolfo Scilingo, who became notorious as torturers. Astiz was known as the "Blond Angel of Death". Its chaplain during 1977 was Father Alberto Ángel Zanchetta. It was in charge of the city of Buenos Aires proper and the northern part of the metropolitan area (Gran Buenos Aires). Officers in charge were under strict orders not to reveal their identities or military affiliation when capturing prisoners.