Portugal–Spain relations small Portuguese Marine Corps combat detachment and two wardens of Madeira's Natural Park. Over the years the Portuguese authorities have seized some Spanish fishing boats and crew around the area for illegal fishing and theft of light beacons and navigation buoys. As of 2017 Spain had approved a nuclear waste warehouse next to the Almaraz Nuclear Power Plant (which uses the Tagus river that flows into Portugal for cooling of the reactors), which is near the Portugal–Spain border, without carrying out any consultations or impact studies. Portugal has escalalted the matter to the EU. Protests were planned for January 12,
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