US Army sandwiches stay fresh for 2 years

Video of the Day: US Army sandwiches stay fresh for 2 years
Many US service members are familiar with MREs or "meals ready to eat." These dehydrated pouches are practical but aren't exactly know for their good taste. Fortunately, food scientists have developed something new — a sandwich that stays fresh for two years. How is this possible, you ask (and how would it taste)? Find out by watching the video here.