Foreign relations of Portugal holds claim to the disputed territory of Olivença on the Portugal-Spain border. Foreign relations of Portugal Foreign relations of Portugal are linked with its historical role as a major player in the Age of Discovery and the holder of the now defunct Portuguese Empire.Portugal is a European Union member country and a founding member of NATO. It is a committed proponent of European integration and transatlantic relations. Augusto Santos Silva is the current Minister of Foreign Affairs of Portugal. Historically, the focus of Portuguese diplomacy has been to preserve its independence, "vis-à-vis", the danger of annexation by Spain, and the
TAP Air Portugal would lead to Swissair buying a 34% stake of TAP. Also, TAP became a member of Qualiflyer, the frequent-flyer program led by the Swiss flag carrier. Due to financial difficulties, the Swiss company ends up not buying the agreed shares of TAP Air Portugal, unilaterally revoking the partnership agreement which led to unexpected costs for the Portuguese airline in 2000, with the culmination of a legal action taken against Swissair. TAP became a member of Star Alliance on 14 March 2005, the same day on which the company celebrated its 60th anniversary. TAP Air Portugal was re-branded as TAP Portugal