Dr. Paul F. Messina is currently an Associate Professor of Mathematics at the University of the Incarnate Word in San Antonio, Texas. In addition, Dr. Messina currently serves as a colonel in the United States Army Reserve, serving throughout the world during his thirty-one year military career. He has commanded at every echelon from Company through Brigade. His extensive experience in the operations arena, as well as his formal education at the United States Army War College serves as a catalyst for his cross disciplinary authoring. Dr. Messina’s research interests include mathematics education, military history, and military strategy.