4. This MOU will remain in force for an indefinite period of time, unless either Participant notifies the other in writing through diplomatic channels of its intention to terminate the MOU. In this case the MOU will expire after six (6) months following the day on which the termination notice was served on the other participant. 5. The participants will each retain signed English copies of the MOU. FOR THE MINISTRY OF DEFENCE FOR THE DEPARTMENT OF OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND DEFENCE OF IRELAND Signature: Position: Name: S, I Ce 'JC- Ci