Diplomacy Career Diplomacy: Life and Work in the US Foreign Service – Fourth Edition by Harry W. Kopp and John K. Naland Reviewed by Christopher Sandrolini, Foreign Service Officer and professor, US Army War College Like the military, American diplomacy predates the federal government. Career Diplomacy describes the US Foreign Service’s history and its mission to represent the United States, conduct operations, and shape and carry out foreign policy. Reviewer Christopher Sandrolini highlights improvements and new information in the updated fourth edition.