Read the excerpt from The Dark Game. Montgomery quickly fetched Admiral Hall. The head of Room 40, nicknamed "Blinker" for the uncontrollable twitching in his eyes, hurried into the room and stood in front of de Grey's desk. Without saying a word, de Grey stood and handed the message to the small, ruddy-faced man, Hall's eyes took in what Montgomery and de Grey had discovered. His eye twitches became more pronounced as he tried to assess the impact of what he was reading.

Based on information in the excerpt, the reader can infer that the information in the wireless message was