"That," Douglas confirmed levelly, "is Hay's job—and yours."
heir eyes met; held. And then Lance's clean young face smiled.
"Thank God, sir," he cried, "that I'm to help strike the blow that'll free our country!"
Colonel Douglas answered his smile with a smile. "Lance," he said, "it's because Washington has put this job into Hay's and your hands that I know—I know—it will succeed."
"It will!"
Douglas lowered his voice again. "This is why those flying torpedoes must be guided from the Slav's innermost base.
"In the first place, they fly too high for an accompanying plane to guide them. In the second, the power that releases them to hurtle downwards must come from the enemy base itself, to permit of no possible error. This must not fail!"
"But," put in Lance, "how do the torpedoes fly? What motivates them?"