from a company like mountain house foods,for instance, is that it has a shelf life of at least 7 years… and if it is vacuum packed into #10 cans, then it can have a shelf life of up to 30 years!
freeze-dried foods are also easy to prepare… just add hot water…wait 10 minutes…and eat.
if a heat source is not available, room temperature or cold water can be used, too. because no cooking is needed, the freeze-dried foods require much less water and fuel than most fresh, frozen or dehydrated foods which can come in really handy if you are not in a position to make a fire or don’t have 