[stylin19a]

I think you are right. S. Vietnam was not a member of SEATO.
However, Cambodia, Laos, and the free territory of Vietnam (South Viet Nam) were the reason for the Southeast Asia Collective Defense Treaty, under which SEATO was organized.

[TigersEye]

I think you are right. S. Vietnam was not a member of SEATO.

I did not say that. I was taking this author at his word and I think he was right. I was simply noting how well MSM propaganda has worked.