“McNamara’s electronic fence, which the Jasons called an “anti-infiltration barrier,” was constructed along the Ho Chi Minh Trail, at a cost of $1.8 billion, roughly $12 billion in 2015. It had very little effect on the outcome of the Vietnam War and did not help the United States achieve its aim of cutting off enemy supplies.”

“McNamara’s electronic fence, which the Jasons called an “anti-infiltration barrier,” was constructed along the Ho Chi Minh Trail, at a cost of $1.8 billion, roughly $12 billion in 2015. It had very little effect on the outcome of the Vietnam War and did not help the United States achieve its aim of cutting off enemy supplies.”

— Annie Jacobsen