Members of the Defence Forces will be trained to provide aviation security duties at Dublin Airport.
Cabinet approved the move today and they will be available on stand by to assist the DAA.
In a statement, Minister for Defence Simon Coveney says he agreed to the request on a clear assurance this is a distinct piece of work, provided in extreme circumstances.
It will last no-more than six weeks and the support will be stood down in August when the busy holiday period has passed.
Minister Coveney says the forces will be used in non public facing roles and the DAA has given assurances they will continue with their own recruitment and additional security staff.
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