Beginning at noon, there's a wide range of military demonstrations planned and there's sure to be a lot to interest all ages.
If you haven't recently visited the military museum on The Curragh, this is your chance, with tours every half hour. It is small, but chock full of exhibits and information.
The event also has displays of vintage and modern military vehicles, a '25-pounder shoot' in an attack display between 1.30-3.30pm, and a parachute jump by the Black Knights if weather permits, at 2.30pm.
There will be music from the Defence Forces Band, stands manned by army veterans and local community groups, and a Kids Zone.
And all free ...
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