These the five midshipmen turned and saluted.

In another moment all of the five save Dave Darrin received a sharp jolt.

For the O.C.had halted and was introducing the three Navy officers to the youthful one.
"This is Lieutenant Benson, the submarine expert of whom you have heard so much," said the O.C., loudly enough for the amazed middies to hear.
"Sub---sub----say, did you fellows hear that ?" begged Dan hoarsely.
"Yes," assented Dave calmly.

"And say, you fellows are a fine lot to be serving here.

You all remember Mr.Benson.