Survival food has long been used by both the military as well as outdoorsmen the world over. Whether you call it an MRE (Meals Ready to Eat) or emergency meals, survival food is made to last years on the shelf just waiting for the day it needs to be consumed. In a survival situation, food and calories are your main source of energy, but food spoils and does not keep long. That is where survival food comes into play. Things like freeze drying and dehydrated meals can keep for 25 years and still be as fresh as the day they were made. Don’t be caught without food when there is an emergency!