A dim shadowy bulk was hurtling through the blue water. Suddenly, just as the tug's prow swung athwart her course, the submarine lined up straight with the Panther. A great belching of bubbles wallowed up through the turbulent sea as a sign that the torpedo was launched.
A heart-stopping moment, in which the diving boat, the darting shadow of the torpedo, the blocking prow of the Vulcan was clear.
A titanic upheaval of water; volcanic fires leaping out of the heart of the deep; a roar so absolutely appalling that it reduced the battle to a whisper!
The prow of the Vulcan reared up and bent back over the main deck. In the same instant, out of the cauldron sea, an enormous cigar-shaped object was flung end-over-end, as a child flings a spindle. There was one flashing glimpse of conning tower, smashed plates. Then a clap of surging air that seemed as solid as oak picked Madden up as if he had been thistledown. He felt himself whirling through space. Somehow, he caught a glimpse of a string of signals that had been blown from the wrecked masts of the
