(gamma ray) blast from the past

Going through a pile of old stuff, I came across this badly printed photograph from when I was hospitalized in Vietnam, from bullet and shrapnel wounds. That's the South China Sea behind me, and what I think was a Korean machinegun emplacement.

I wasn't sure why I sent it to Gay, except that it was the first roll printed from a camera I'd just gotten at the hospital PX.

Then I turned it over, and found the explanation I'd written on the back. So I was a sci-fi guy even then, forty-two years a...