And so now they circled slowly back and forth.

Only one question troubled her, and that was, “Is that enemy plane still in the air?”

“If that plane is armed and they attack us?” she said to Rosa.

“We will climb too fast for them,” was the calm reply.

And then Norma’s light fell upon something, a white spot. Not the sub. She was disappointed. Then her heart leaped. Off to the right was a long, dark bulk.

“The sub,” she said aloud. “And that’s the motorboat. They are coming together.”

With all the skill she possessed she held her wide spot of light on the sub. Slowly, surely, the sub and the motorboat moved closer together. Breathlessly she awaited the roar from the shore.

“The major can’t fail us,” she clenched her teeth. “He must not!”

They were losing altitude and coming closer to the sub. Suddenly they were surrounded by balls of smoke and flame.

“Pom-poms!” she screamed to Rosa. “The sub is firing at us!”