"Just don't blame the soldiers. If you want to talk to a true pacifist, talk to a soldier who's been to war."
"We were told to go away and be quiet and don't tell anybody. That played on people's minds a lot. It tipped a few over. We were told not to wear our uniforms in public and not tell anybody we were Vietnam veterans."
"All the memories came flooding back and I fell to my knees and cried."
Duggan said like many other veterans he was feeling the effects of exposure to Agent Orange, the defoliant sprayed on the bush and forest to remove cover for the Viet Cong.
Duggan said before the tribute march, the years of rejection affected him tremendously but writing a book on the Vietnam conflict also helped deal with some of the tough memories of the war.
Many veterans very nearly went over the edge, said Duggan, who was to launch his book on Vietnam, What Have They Done to The Rain, on Anzac Day.
Also read: Vietnam soldiers faced war at home