ONE was founded in Mansion House on 10 March 1951 and unified
- National Federation of Irish Ex-Servicemen.
- Association of Regular Ex-Servicemen.
Lt Gen M.J. Costello.
- Comradeship – “maintenance of old bonds”.
- Facilitate work of the Army Benevolent Fund
ONE supports the needs of Irish veterans by the provision of accommodation to homeless and other veterans in need of such domestic accommodation in its Veterans’ Homes and the provision of other assistance to veterans through its nationwide network of Branches and Veterans’ Support Centres.
- To develop a spirit of comradeship among veterans, and between veterans and serving members of Óglaigh Na hÉireann.
- To foster public interest in Óglaigh Na hÉireann.
- To promote social and cultural activities.
- To advocate with the Department of Defence, Defence Forces, and other elements of national and local government on behalf of veterans.
- To maintain liaison with veterans’ organisations of other states.
- To remember those who served.
- To participate in national and local remembrance ceremonies.