How does the author use foreshadowing in Time's Eye?

Captain Grove is an intelligent leader who commands the British soldiers at Fort Jamrud in 1885. His open mind adjusts quickly to the concept of time and its fragmentation, supported by the appearance of the helicopter and its crew, and the capture of the bi-peds, Seeker and Grasper. Grove foresight to send out scouting parties to investigate their surroundings, foreshadows news of another encampment, the camp of Alexander the Great, as well as the defeat of Genghis Khan.