Wheeling, Trent ordered his own signalman to wig-wag, "Go ahead."
Then the lieutenant stood reading the message.
"You will fall back upon the advanced line," the signal read.
"Send 'O.K.,'" called the lieutenant.
"Sir," cried a sentry, "There's a party coming in. You can just make 'em out, sir."
Stepping forward, Trent brought up his fieldglasses, while Dave informed him:
"That was the second matter upon which I intended to report to you, sir. I observed those people from the airship. I believe them to be refugees."
Immediately Lieutenant Trent signaled the advanced line, reporting the party seen out on the plain.
"Then wait and escort them in," came Commander Dillingham's order.
"O.K., sir," the detachment's signalman wigwagged back.
In three-quarters of an hour more the painfully moving party reached the detachment. They were truly refugees, released from Mexico City and nearby points.