A roar of the helicopter came from far away. Charlie's eyes lit up as he said, "Your son is back."

Julien involuntarily muttered, "I hope they're not in trouble."

A few minutes later, Hank and Royce walked into Charlie's room.

As soon as they entered the room, Julien asked anxiously, "How was it? Did anyone stop you?"

"Yes!" Royce blurted angrily. "The National Security Agency's radar blocked the airspace in the blockade area. As soon as our helicopter arrived near the edge of the blocka