In late September, Pershing led the AEF during the final Meuse-Argonne Offensive which broke the German lines and led to the end of the war on November 11. By war's end, Pershing's command had grown to 1.8 million men.
Dimensions of Castle Walls: the height and thickness of castle walls varied from castle to castle but typically they ranged from between seven to thirty feet in thickness and typically thirty to forty feet in height. The illustration below is a cutaway view of how a typical castle wall is constructed.
Gravity walls stack up like a giant Lego block system, allowing installation crews to install the walls within a small area. See how engineers designed this 19.5 foot (5.9 meter) gravity wall to minimize space and save existing landscaping.