A detailed account of the first use of armor in the U.S. Army during World War I, from the training of crews and building of tanks to the first great tank battles.

Foreword by Maj. Gen. G. S. Patton -- Preface -- Introduction -- The birth of the tank corps -- The light tanks: from Langres to St. Mihiel -- The heavy tanks: a gathering at Wool -- Training in the United States: a tank corps without tanks -- Tank production: made the American way -- St. Mihiel: first blood -- The Meuse-Argonne, phase one: into the valley of death -- The Meuse-Argonne, phase two and three: war of attrition -- The heavy tanks with the British expeditionary force -- Tank specifications -- Tank corps personnel cited for valor.