In the heat of battle, a split second can be all the time a military commander has to give orders. Information fusion technology enables commanders to lead decisively and confidently during active conflict. Masses of live information are instantaneously integrated to create a coherent and precise picture of a rapidly evolving situation. This book brings together an international panel of leading experts that give a fresh and cohesive perspective on this technology's models, methods, mathematics, and computer systems. It considers the human factors key to the automated analysis process. Providing insight into implementation, this authoritative volume examines architectures and systems developed by the U.S. Department of Defense. The book also discusses systems interoperability among coalition forces as they prepare to confront future conflicts that transcend national boundaries.