Some 9, 000 women in Vision- Spring's network have sold 600, 000 pairs of basic reading glasses throughout seven countries, including Bangladesh, India and South Africa.
Since CNN first reported the story about Maseth's death last spring, the network has repeatedly asked the Pentagon and its contract agency for an interview.
Located 55km north of Graaff-Reinet along a gravel road through the Sneeuberg (Snow Mountains), the remote village of Nieu Bethesda has a spring-fed network of irrigation channels, giving it the appearance of a green oasis.