Food should be up there along with survival kits.. now.. I am not gonna say what you do or don't need in one.. Military's around the world figure that shit out all the time.
Ok... survival kits and rations. You might like this guys stuff.. he is very interested in it from 1899 brit rations to modern rations to WW2 pilot survival gear.. literally hours of watching vids.. but it is interesting to me what other countries think their soldiers need to survive... Here is eye tye 24 hour rations.
Every country has some stuff that I think is trash and some that is the best on the planet for useful...