We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember Bill
saying something like:

I'm looking at Matt NATO green, should fit the situation perfectly, and
it's relatively cheap :-)

http://www.anchorsupplies.com/paint.htm

Thanks for the comments.

Use dilute phosphoric acid, which is all Kurust is, to treat the rusty
areas with, first.