If you’ve ever served in the U.S. military, chances are you’ve been here before: It’s the first or second week of boot camp, or basic training, or whatever the Air Force calls the place where it trains new recruits (camp?), and the drill sergeants are pulling out all the stops to ensure you reach your maximum potential for human suffering. From sun up to sun down — or, as is usually the case, from sun up to sun up — life is a never-ending cycle of getting smoked, cleaning stuff that isn’t actually dirty, and trying to remember what real food tastes like.