As I type this I am eating freeze dried beef vegetable stew from a Mountain House meal pouch I bought 30+ years ago for backpacking. It was a bit bland, so I mixed it with some chicken gumbo soup from a can, some ginger, some garlic and curry, and sliced up some potatoes and put it in a crock pot. This will be my lunch and dinner for the next couple of days. A couple of years ago I ate a beef stroganoff meal of about the same age. It was okay by itself, not the best I have had, but okay. Over on the SB forum people often ask how long the meal pouches will last. I can't speak for the other brands, but Mountain House will last a long time. MH did some tests recently on their pouch meals, of pouches they have kept for over 10 years (I think they had some that were 25 years old), for taste and nutrition and so on, and they upped the best used by date from 7 years to ten years. Knowing how conservative they are about this, and given my experience, I would say you could safely store the meal pouches for a lot longer than 10 years.