Anzac Biscuits — ANZAC stands for Australian and New Zealand Army Corps, and these cookies are so named because they were baked and shipped off to Australian and New Zealander soldiers during World War I.
Army Goulash (Gooey) — During World War II, this dish would have been made with one of three kinds of canned beef: one lightly seasoned from the US or Argentina called "Canned Horse"; the British version known as "Bully Beef" or the unpleasant tasting French version from Madagascar called "Monkey Meat."
Salvation Army Donuts — This is the recipe that Salvation Army workers would use during World War I and II when making large amounts of the donuts for hungry troops. To call the recipe "official" is something of a misnomer though, as the donuts have been made differently by various Army groups throughout the years.
S.O.S. (Chopped Beef on White Toast) — Upon joining the United States Marine Corps in the early 1940s, I was introduced to a breakfast dish that I had never had before. It's called Chopped Beef on White Toast. Most of us called it S.O.S.