get our unit into trouble, sure as life.” “I doubt if they keep her with such an attitude.” “She griped like that all the way through nurse’s training,” Mabel explained. “Oh, was she in your class?” “Yes. We came here together, too. You have to hand it to Tini, though. She has a keen mind and makes grand marks. They had no grounds for turning her down, I suppose.” “She makes me feel as uncomfortable as those suspects on the train did.” “Yeah!” agreed Mabel. “There’re more ways of working against Uncle Sam than outright sabotage.” CHAPTER THREE SUSPECTS CHAPTER THREE SUSPECTS In the busy days that followed, Nancy, with the other girls of her unit, was plunged into the intensive work of preparing for service in the fighting zones. Fully alert to the importance of these instructions, Nancy worked even harder than she had during her nurse’s training. Here they must put the lectures and discussions into practice at once. The day after her arrival there were lectures on military courtesy and customs of the service. They were told how to wear their uniforms, and how to recognize the various insignia of office. In their room afterwards Nancy and Mabel had lots of fun practicing the military salute. “You’ve got to learn to do it automatically,” said Mabel. “Your fingers should go to your forehead when you see a superior officer as instinctively as your foot goes to the car brake in an emergency.” “And I suppose it will prove to be ‘a restriction’ emergency if you don’t,” Nancy came back with a laugh. For the next day or two they saluted every time they passed each other in their room and had some good laughs over their actions. “Tini Hoffman says she hates to salute,”