"All these years, it's been a renewal of the comradeship of war years," said the president, Murray Adlington.
"It's become an extended family, we've shared our joys and our sorrows. I couldn't have asked for closer friends."
The battalion, which was established in 1940, drew most of its 3500 men from Auckland. During the war, 522 were killed and 1600 were wounded.
That toll more than explains why, as their number at Anzac services declines, their place is more than being filled. Today's services are different but no less impressive as a cross-section of the community, including many children, remember those who served.
The association kept itself going as long as possible by opening membership to children and grand-children of the veterans. Now, with just 120 of its original members still alive, it has accepted that it is time to draw the curtain.
This is a matter of some sadness. However, there is some solace in the ongoing vigour of what is now known as the Royal New Zealand Returned and Services Association. Its good health was commented upon by the Australian newspaper this week as a lesson for its counterpart across the Tasman, the RSL.
As soldiers who served in the two great global conflicts of the 20th Century died, the RSA risked becoming an irrelevant relic. This has not happened because of its willingness to embrace the wider community. Membership is no longer reserved for those who had served in wars or war-like situations overseas.
More recently, this approach has been taken to another level. With military matters seeming ever more remote for young New Zealanders, a new generation is being lured to RSA clubs with trendy T-shirts, social media and a welcoming atmosphere. This inspires the interest that many youngsters have developed in Gallipoli, Crete, Cassino and other great battles in which New Zealanders fought. In turn, it helps to broaden the attendance at Anzac services and foster a sense of national pride and heritage.
Not by coincidence, the RSA is still promoting itself as fostering the spirit of Kiwi connection. That is appropriate. Anzac Day is, in many ways, as much a celebration of mateship and togetherness as a commemoration.
Originally, the former soldiers wanted to honour those values without the intrusion of those who could not know what they had endured. Over time, they changed that in a way which has helped to enhance the reverence for Anzac Day. Such will be the final, fitting legacy of those who served, and died, for their country in World War II.