What′s NATO′s Article 4 and why are people talking about it? | Europe | News and current affairs from around the continent | DW | 24.02.2022

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Europe

What's NATO's Article 4 and why are people talking about it?

NATO has met to discuss a response to Russia's invasion of Ukraine. Article 4 of the organization's treaty could play a key role.

Soldiers of the German armed forces Bundeswehr take part in a ceremony during the visit of the German Defence Minister at the leadership of the NATO's Enhanced Forward Presence enhanced forward presence (EFP) battlebroup in Rukla, Lithuania.

German troops in Lithuania are part of a NATO battle group in eastern Europe

Article 4 of the NATO treaty covers the case when a member state feels threatened by another country or a terrorist organization. The 30 member states then start formal consultations at the request of the threatened member. The talks look at whether a threat exists and how to counter it, with decisions arrived at unanimously. Article 4 does not, however, mean that there will be direct pressure to act.

This consultation mechanism has been triggered several times in NATO's history. For instance, by Turkey one year ago, when Turkish soldiers were killed in an attack from Syria. At that time, NATO decided to consult, but did not take any action.

Infografik/Karte - NATO stockt Truppen in Osteuropa auf - EN

Response to Russian invasion

Following Russia's invasion of Ukraine, NATO members Estonia, Latvia, Lithuania and Poland triggered Article 4. Along with Slovakia, Hungary and Romania, those countries are part of the "eastern flank" of NATO, which is currently being reinforced with about 6,000 US, 1,000 UK, and 350 German soldiers, as well as troops from other NATO members. 

Article 4 is different from Article 5 of the NATO Charter. That latter lays out the military assistance by the entire alliance should one of the member states get attacked. The only time that Article 5 was used was in 2001 after the al-Qaeda attacks on the US, which killed more than 3,000 people. When the US then attacked Afghanistan, NATO sent a mission alongside.

The NATO treaty only applies to member states. Given that Ukraine is not part of the alliance, it can trigger neither Article 4 nor 5.

Watch video 05:07

How are EU and NATO reacting? DW's Alexandra von Nahmen reports from Brussels

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