Time to smile
(Try not to laugh. And by the way, it does not say when it happened so do not jump to conclusions about the authenticity of this story. After all, some stories are widely considered true.)
by U.S. Naval Institute
One dark night near Vietnam, USS Missouri steamed towards a USN minesweeper. Thinking an enemy ship may be approaching, the tiny minesweeper signalled “Identify yourself, or we will open fire.” After a pause, the battleship responded “USS Missouri. Fire at Will.”