" or spinach, which requires adding water or is eaten as a crunchy, dry snack.
Some high-end camping stores sell freeze-dried meals that use similar technology to NASA rations for lightweight backpacking. Nostalgic "Space" Snacks Products from the 1960s and 70s space craze include: buy space food
Foods heat-treated to kill bacteria, often found in retort pouches like tuna salad fruit flan " or spinach, which requires adding water or