From all quarters naval cadets were advancing stealthily upon them. Something in the very attitude and poise of the young men told [pg 117] the submarine boys that these naval cadets were out for mischief.

“We're in for it!” breathed Jack, in an undertone. “We're in for something real and startling, I reckon. Fellows, brace up and take your medicine, whatever it is, like men!”

CHAPTER XI: BUT SOMETHING HAPPENED!

Nor was Jack's guess in the least wrong.

Even had the submarine boys attempted to bolt they would have found it impossible. They were surrounded.

The cadets closed quickly in upon them. There were more than thirty of these budding young naval officers.

It was Cadet Merriam who stepped straight up to Jack, giving him a grotesque and exaggerated salute, as he rumbled out:

“Good evening, SIR!”

Like a flash Jack Benson comprehended. These cadets intended fully to even up matters for having been obliged to say “sir” to these very youthful “civilian instructors.”