With boundless love and appreciation to my entire family (my wife Andrea and living children Connor, Kyle, Alexandra, and Pierce), whose patience was matched only by their willingness to have me absent for so much of their lives during the completion of this book.
And in memory of I. F. Clarke, whose friendship, scholarship, and raucous, cackling laugh are always with me as reminders and inspirations as I apply his beloved concept of “future-think” to exploring the shape of warfare in the decades and centuries to come.
Rough draft of map by author. Final map to come.