World War One was a reluctant push onto the global stage for the United States.  The country involved itself only with the last nineteen months of the war.  A slow starter, it took a year before meaningful numbers of American troops began to reach the European theater.  The summer of 1918 saw the development of a new army which learned the lessons the European citizen armies had already earned over almost four years of brutal industrialized killing. Remembrance would come later, enter the ABMC.