The text on this track comes off a B-side from one of [Putnam Aldrich's](http://fr.wikipedia.org/wiki/Putnam_Aldrich) (my great-grandfather) records. He was a harpsichordist, a professor at Stanford, a chain smoker, and apparently had a sense…

"Night vision is the ability to see in a dark environment." Optically enhanced über-soldiers see through the dark, hunting and killing people for some reasons. Now try to take that definition in a metaphorical sense: "see in a dark environment..."