Add to ORKGdate S fo*,,A m°i date date Acknowledgments I want to thank my thesis advisor, Dr. Hartrum, for guiding me through the long and challenging thesis process. He always made himself available and was pleasantly cordial but always professional. I also thank my committee members, Major DeLoach and Major Graham, who often gave me timely advice when I was "stuck". I owe a debt of gratitude to my lovely wife, Rajni, and two children, Sheena and Kevin, who are the greatest blessings of my life. They were always encouraging and understanding through many late nights and working weekends. Most of all I want to thank the Lord Jesus. His strength helped me focus on the task at hand, while maintaining a balance and keeping a healthy perspective...