I worked in Vietnam as a nurse on the international Save the Children Fund team (UK, Norway, NZ) 11 Dec 1974 to 5 April 1975 when evacuated.
I was the officer in charge of HQ NZATGV (AKA HQ NZ V Force) during the withdrawal of NZ forces from Vietnam.
It was not experimental, so they say.In the search for a new preventative malarial medication, it has been claimed that US authorities investigated some 2100 agents, and dapsone was chosen. Dapsone had been considered during World War II but was discarded as an option.
~This book review was originally done for the W3 Coy website; however, there is an issue in the review that deserves a wider audience and further attention.