For more than 35 years a successful part of the post-World War II collective security network was ANZUS a defense alliance between Australia, New Zealand and the United States. The Alliance worked well for many years. However, in the mid-1980's events cause the alliance to revise in such a way that a return to its former state became doubtful. Also, Australia and New Zealand wanted their defense forces more self-reliant and increasingly focused own their own region, The author has helped increase awareness in this volume and he discusses many of the issues.