An army unit in the Israel Defense Force finished some training exercises and had a little down time before boarding their bus back to their army base. Just for fun, the soldiers lined up in formation with their helmets on backward.
The commanding officer was indignant at this breach of military decorum and dressed down the soldier in charge of his unit, “Private Goldberg! I want to see those helmets facing front immediately!”
Private Goldberg was unshaken. He called his group to attention, then commanded crisply, “About face!”