Seeing Demons In the Dark – Red Night Vision in Vietnam

Did soldiers in Vietnam see demons in their night vision goggles?

The answer is yes, they kind of did.

The same questions always come up when I start talking about Dicyanin. People always want to regurgitate the urban legends they heard about Dicyanin on the internet. One of these stories is from years ago where somebody got on a podcast and claimed that during Vietnam there was a new type of night vision goggle that allowed soldiers to see demons and entities out in the jungle and it was driving them mad.

As much as this sounds like an exaggeration, I actually have some documentation here from the U. S. Naval Academy that indicates that is exactly what soldiers were reporting. The document is called, The Secret of Seeing Charlie in the Dark, by Richard A. Ruth of the Department of History of the U. S. Naval Academy…