"Good," was the reply. "We wondered what had happened to you. Everything all right?"
"All right."
"Ready to join us in another desperate mission?"
"Yes. Ready any time."
"Good. Remain where you are. We start within the hour. Your instructions will be sent to you."
Lord Hastings signified that he understood and the light on the other vessel was flashed off, leaving the U-16 in darkness again.
"Now what do you suppose is up, sir?" asked Frank eagerly.
"You have just as much idea as I have," declared Lord Hastings. "However, we shall probably know in good time."
And he was right.
Half an hour later a small boat approached the side of the U-16. In response to a signal from Lord Hastings, who had perceived his approach, a subordinate officer clambered aboard.