Of course, you fellows all know about the Pollard submarine boats?
The government owns a few of them now, and is going to buy a lot more of the Pollard craft." "But that kid officer ?" insisted Dan.
"If you'll wait I'll come to that.

Benson, his name is; Jack Benson he's commonly called.

He and two boy friends got in on the ground floor at the Farnum shipyard.

They were boys of considerable mechanical skill, and they found their forte in the handling of submarine boats.

They've done some clever, really wonderful feats with submarines.