Crisis management operations
Get a comprehensive overview of NATO-led operations and missions, past and present, large and small, conducted across several continents.
Security challenges and capabilities
Read more about today's security challenges and the defence capabilities NATO is developing to tackle them such as missile defence or Alliance Ground Surveillance.
Partnership and cooperation
Learn more about how NATO works with a network of over 40 non-member countries as well as other organisations to promote security and tackle shared challenges.
Civilian and military structures
See how 28 countries work together through a relatively small number of structures that interact on a daily basis and are bound together by the principle of consensus decision-making.
Discover other areas in which NATO is involved such as disarmament, arms control and non-proliferation, energy security, science and gender issues.
Download the NATO ENYCLOPEDIA 2015