Weirdly I coincedently listened/ watched both on You Tube yesterday. Both brought tears to the eyes (although I never served, was one who missed the birthday draft.)
Edit: The Eric Bogle one I saw was pretty 'clean' although still live, maybe different occasion
https://www.youtube.com/watch?v=cnFzCmAyOp8
PS. your link takes me to a livelier version by John Williamson??