WEU is an integral part of the development of the European Union (EU) providing the Union with access to an operational capability, noubly in the context of the Petersberg tasks and is an essential element of the development of the ESDI within the Atlantic Alliance in accordance with the Paris Declaration and with the decisions uken by NATO ministers in Berlin.
Is cuid dhílis d'fhorbairt an Aontais Eorpaigh (AE) é AIE a chuireann rochtain ar chumas oibríochtúil ar fáil don Aontas, go háirithe i gcomhthéacs chúraimí Petersberg agus is gné fhíor-riachtanach é d'fhorbairt FESC laistigh den Chomhghuaillíocht Átlantach i gcomhréir le Dearbhú Pháras agus leis na cinntí a ghlac Airi ECAT i mBeirlín.