I thought this link was rather interesting. It’s educational to see how the contents of the kits, as well as the materials used, have changed over the years. It’s kind of hard to think that there are places in war zones where you could be stranded long enough that you’d have to worry about things like fishing for food, but then again sometimes you wind up stranded in wartime in some places where no one will ever find you.
Given the technology and materials available nowadays, I would think you could put together some amazingly compact and effective kits. Pencil flares, small radios, water purification…all that stuff has come a long ways.
Of course, no mention of military survival kits is complete without: