Expended Jokes

An infantry brigade was training in the summer heat, learning methods to counter offensive tactics. That summer, the area had experienced an infestation of rattlesnakes. Officers and NCOs were given one magazine of live ammunition to counter this danger, as several men had already been bitten.
So much ammunition was expended shooting, supposedly, at snakes that the post commander demanded that every officer and NCO who had shot at a snake present the dead snake as proof that the expenditure of rounds was justifiable.
The next day, the post commander entered his office and spotted a shoe box on his desk. He opened it, revealing a sleepy and sluggish, but very live, rattlesnake. Inside the box were twenty expended cartridges, and a short note.
The note said, "I missed!"