Some Pentagon planners came up with a zombie exercise.
CONPLAN 888... written in 2011, was part of a training exercise. And a detailed one, at that. The plan summarizes responses to threats ranging from pathogenic zombies (zombies created via infection) to space zombies (what they sound like) to chicken zombies (they really exist!).
Read on for more shambling.
(thanks to many friends for the link; photo by gregwest98)