Secretary-General of ASEAN, Dr. Kao Kim Hourn, joined the Defence Ministers of ASEAN Member States and Australia in the Commemorative Ceremony of the 50th Anniversary of ASEAN-Australia Dialogue Relations, convened on the sidelines of the 18th ASEAN Defence Ministers’ Meeting (ADMM) and the 11th ADMM-Plus in Vientiane, Lao PDR, today. The Ceremony highlighted the longstanding relations between ASEAN and Australia and encouraged the strengthening of defence cooperation on both current and emerging issues.