Pizza is the most asked-for dish when troops are quizzed on what they would like to see in their supplies, but it has taken years of research to come up with a slice that tastes like the real thing, yet can sit on the shelf without the tomato sauce turning the crust soggy or mould growing on the cheese.
http://www.theguardian.com/lifeandstyle/2014/feb/18/eat-of-battle-worlds-armies-fed
its a sign