All the good soldiers were leaving for the war.

One Corporal told his best friend - "My bride is without doubt one of the most beautiful women in the world. It would be a terrible waste if no man could have her. Therefore, as my best and most trusted friend, I am leaving you the key to her chastity belt to use should I not return from the war."

The company of soldiers were only a mile or so out of town when they noticed a cloud of dust approaching.

Thinking it might be an important message from the town the column halted.

A car approached and it was the soldiers best friend.
My friend - "you gave me the wrong key!!"