water clean as a knife, the spray dashing in great white sheets over
the anchor chains. From aft came the steady chug-chug of the engines'
exhaust, to be drowned out at intervals as the swell of water surged
over the port-holes. They seemed to be afloat on a narrow raft
propelled swiftly through the water by some strong and unseen power.

"I say, old boy, this beats drilling out on the campus at Brighton with
the school battalion, eh? what?" exclaimed Jack.

Ted was doing a clog dance on the deck. "I'm just as happy as I can
be," was his gleeful comment.

Very shortly the lighthouse that stood on the cape's end marking the
harbor entrance had been passed and the _Dewey_ was out on the open
sea. Before the boys stretched water---endless water as far as the
eye carried---to the far thin line where sky and water met. They were
lost in contemplation of the wonderful view. But their reveries were
suddenly disturbed by a sharp command from Executive Officer Binns:

"All hands below---we are going to submerge!"

The _Dewey_ was going to dive!




CHAPTER III

SEALED ORDERS