Available now to the general public, this new edition takes the series' inspirational premise into the new century. It educates officers of all services, as well as civilians, about the fundamental moral-ethical requirements of being a commissioned officer in the armed forces of the United States. Understanding the common foundation of commissioned leadership and command of U.S. military forces is essential for achieving excellence in the joint operations of today's combat environment. This philosophy unites the officers of the uniformed services in the common calling of supporting, defending, and upholding the Constitution in service to their country.