Dan raised his flag, making the signal 333. This he did three times, indicating that the work was finished.

“What is the time, sir?”

“Three minutes and twenty seconds,” replied the officer. “That breaks the record.” Picking up his megaphone the officer shouted out the tidings to the men who were out on the mine field. “Three minutes and twenty seconds,” he bellowed. “Best previous time beaten by forty seconds.”

A great cheer broke from the jackies drifting about in their little boats over the mine field. Batteries had been placed, everything had been done within the time named, and had the mines been charged with dry guncotton any ship running into them would undoubtedly have been blown up.

In the meantime Dan Davis was signaling the news to the battleship.

The “Long Island,” expressed her congratulations in three long blasts of her siren, at which the jackies set up another cheer. This time the cheer reached to the ship itself.

“Battleship making signal of general recall, sir,” Dan informed his superior.

“Return to ship,” shouted the officer through his megaphone.

All boats were now turned back. The mines were to be left as they were until later in the day, or perhaps until the next day, when they would be taken up. As a general rule planted mines are left out for twenty-four hours.

Good time was made on the return, for it was nearly time for the noonday mess, and every man in the outfit had a sharpened appetite after the morning’s exertions.