Not sure about defcon, but Buckminster Fuller wrote waay back in the sixties about the New York's vulnerability to a fresh water supply attack. If you haven't

Not sure about defcon, but Buckminster Fuller wrote waay back in the sixties about the New York's vulnerability to a fresh water supply attack. If you haven't read it Operating Manual For Spaceship Earth is one of my favorite books. https://archive.org/details/operatingmanualforspaceshipearthbuckminsterfuller1969/page/n39/mode/2up https://archive.org/details/operatingmanualforspaceshipearth...