As your article points out, there has been controversy from the beginning on who made the best start. Col Gaylord Green responded to your review. And it goes around and around...
Yes, some NRL vets from the 1950s-60s are working on an article which will respond to Gaylord in addition to declassifying a lot of new material. Ive been sworn to secretary on the details, but there were other government agencies which played important roles prior to 73. Their part of the story has not been told up to now.