Columbia subject headings:
Military art and science--Technological innovations--United States.
Military maneuvers--Technological innovations--United States.
War casualties--Statistics.
Harvard subject headings:
Military art and science--Technological innovations--United States
Military maneuvers--United States--Technological innovations.
War casualties--Prevention.
Princeton subject headings:
Military art and science--Technological innovations--United States.
Military maneuvers--Technological innovations--United States.
Statistics.
War casualties--Statistics.