In the 1982 invasion of the Falkland Islands, the main landing at Yorke Bay to the east of Port Stanley on 2 April, was preceded by an amphibious reconnaissance party of the APBT. They had been landed by the submarine ARA "Santa Fe". They successfully secured the beach and the lighthouse, and set up beacons to guide the amphibious vehicles of the assault group, which had disembarked from the landing ship ARA "Cabo San Antonio" some distance offshore. Some sources assert that "Buzos Tácticos" units attacked the Moody Brook barracks and besieged Government House, however these troops were mainly units of the Amphibious Commandos Group ("Agrupación de Comandos Anfibios", APCA). The error was due to hearsay reported by a journalist from the Argentinian magazine "Somos", which was the first to publish an account of the operation, although a number of individual APBT members assisted the Commandos in both actions, specially around Government House. Both the APBT and the APCA teams had returned to Argentina by nightfall, on the same aircraft which had brought in the first Argentine Army reinforcements.