In Portugal, the Portuguese military is an all-volunteer force with the primary responsibilities of external defense, humanitarian operations, and fulfilling Portugal’s commitments to European and international security; Portugal was one of the original signers of the North Atlantic Treaty (also known as the Washington Treaty) in 1949 establishing NATO, and the Alliance forms a key pillar of Portugal’s defense policy; Portugal is also a signatory of the EU’s Common Security and Defense Policy, and it regularly participates in a variety of EU, NATO, and UN deployments around the world; the military’s largest commitments include air, ground, and naval forces under NATO-led missions and standing task forces in the Baltics, Eastern Europe, and the Mediterranean Sea; the military also participates regularly in exercises with NATO partners 

Portugal has had a standing army since the 1570s; the modern-day Army’s primary combat forces are a heavy mechanized brigade, a light mechanized “intervention” brigade, and a rapid reaction brigade comprised of commandos, paratroopers, and special forces; there are also garrison units in the Azores and Madeira 

Portugal’s Navy is one of the oldest in the world, having been permanently established in in the 1300s, and maritime security has long been a key component of the military’s portfolio; the current Navy has a wide variety of missions in addition to war fighting, such as combating piracy, evacuating national citizens from conflict zones, fishery inspections, maritime interdiction, search and rescue, providing support to other domestic security agencies, and assisting with scientific research; its principal warships are 11 frigates, corvettes, and offshore patrol ships, and two attack-type submarines; the Navy also has a small marine force, which constitutes the Navy’s commando and special operations component 

the Air Force was formed in 1952 although the first flying unit was created in 1911; the current Air Force has about 20 US-made fighter aircraft, as well as reconnaissance and surveillance, maritime patrol, transport, search and rescue, and firefighting fixed- and rotary-wing aircraft (2023)