1917 The Tanks broke through German lines to a depth of 5.6 miles mass panic broke out in the German ranks. Ludendorff changed his mind fast when he realize the tactical advantage of the British tanks. and his change of heart got plans underway for a Major offensive in 1918 the tank is worth while. the Production of the A7V plan was increased to 40.
Joseph Vollmer and designed another the LK1 a Light armored vehicle (Leich-Kampfwagen) Vollmer knew the A7V was to big to produce in Larger numbers