The Lisbon Treaty provides that Member States will make available to the EU the civil and military capability necessary to implement the common security and defence policy and sets out the role of the European Defence Agency.
Tá foráil déanta sa Chonradh go gcuirfidh na Ballstáit na cumais shibhialta agus mhíleata ar fáil don AE chun an Comhbheartas Slándála agus Cosanta a chur chun feidhme agus leagtar amach freisin an ról a bheidh ag an nGníomhaireacht Eorpach um Chosaint.