Beauregard read his mind.
"We ask you to be a scout, not a spy," he said.

"You may ride in your own uniform, and, if you are taken, you will merely be a prisoner of war." Harry's last doubt disappeared.
"I will do my best, sir," he said.
"No one can do more," said Beauregard.
"When do you wish me to start ?" "As soon as you can get ready.

How long will that be?
Your horse will be provided for you." "In a half hour." "Good," said Beauregard.

"Now, I will leave you with Colonel Talbot, who will give you a few parting instructions." He left the tent, but, as he went, gave Harry a strong clasp of the hand.
"Now, my boy," said Colonel Leonidas Talbot, when they were alone in the tent, "I've but little more to say to you.

It is an arduous task that you've undertaken, and one full of danger.