With the war over, as some of these systems were made by the British Marconi Electronic Systems, they needed to be replaced after an arms embargo was imposed by the UK.
После войны Англия наложила эмбарго на поставки военной продукции в Аргентину и часть оборудования для Dagger, производимая в Англии фирмой British Marconi Electronic Systems не могла быть поставлена.