 Why are many of the main characters so suspicious of each other?
SILENCE IS—DEADLY By Bertrand L. Shurtleff Radio is an absolute necessity in modern organization—and particularly in modern naval organization. "But this storm, sir!" Nelson avoided Curtis' friendly eyes and slipped out from under his arm. Nelson's estimate, I'm checking back," he declared, frowning at the two papers and hastily rechecking his own figures. For the next two hours, no radio messages can enter or leave my zone of radio silence—of refracted radio waves, set up by my little station on one of the neighboring islets!" Tubes lighted; wires were alive to the touch and set him to shaking his head at the tingle they sent through his inquiring fingers.
 Because many of characters are of different nationalities in the midst of a World War.
 Because many of the characters are making ignorant mistakes.  Because many of the characters have reason from prior experiences to not trust each other.  Because many of characters are of different nationalities in the midst of a World War.  Because many of the characters are in a state of confusion and fear after the gas incident.