 In 2004, the A-4ARs went abroad for the joint exercise "Cruzex", along with Brazilian F-5s and Mirages, Venezuelan F-16s and French Mirage 2000s.In November 2005 they were deployed to Tandil airbase to enforce a no-fly zone for the Mar del Plata Summit of the Americas and later met Chilean Mirage Elkans, Brazilian AMXs and Uruguayan A-37 at Mendoza for the joint exercise "Ceibo".In July 2006 they were deployed to Cordoba province for the Mercosur's 30th Presidents Summit, while in August and September they went north again to Brazil for the "Cruzex III" joint exercise with Brazil, Chile, France, Peru, Uruguay and Venezuela.