The authors wish to recognize the assistance of Dori Enderle of the Institute for National Strategic Studies in the early stages of their research and to express their gratitude to Dr. Phillip C. Saunders and Dr. Christopher D. Yung for their comments and suggestions on an earlier draft of this paper. They also wish to thank George C. Maerz and Dr. Jeffrey D. Smotherman of NDU Press for their editing and production of this paper.