| Article 5 | Article 5 of the Washington Treaty
|
| Article V | Article V of the Brussels Treaty
|
| CESDP | Common European Security and Defence Policy
|
| DCI | NATO's Defence Capabilities Initiative
|
| DSACEUR | NATO's Deputy Supreme Allied Commander Europe
|
| EDC | European Defence Community
|
| EMC | European Military Committee
|
| EMS | European Military Staff
|
| EP | European Parliament
|
| EPC | European Political Cooperation
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| ESDI | European Security and Defence Identity
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| EU | European Union
|
| GAC | General Affairs Council (of the EU's Council of Ministers)
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| IGC | Intergovernmental Conference (of the EU)
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| IMS | NATO's Integrated Military Structure
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| NATO | North Atlantic Treaty Organisation
|
| PSC | EU's Political and Security Committee
|
| SHAPE | Supreme Headquarters Allied Powers Europe
|
| UK | United Kingdom
|
| US | United States
|
| WEU | Western European Union
|
