The skinny sailor sat in the Philadelphia airport terminal in his deep-blue dress uniform, cracking his knuckles, shifting in his seat, waiting for his best friend. A woman from the airline walked over and motioned for him to follow. She saw the nervous look on the sailor's face and stopped. "Wait," she said. "Is this your first time doing this?" "Yes, ma'am," the 22 year-old said, his voice cracking. "Well, unfortunately, it's not the first time for me," she said. "Not even the first time this week." She led him toward the gate and gave him a soft smile. "You'll...