From June 20 to August 7 the 328th Regiment was engaged in the Lagny Sector, north of Toul, and from August 15 to September 12 occupied a portion of the Marbache Sector (on Moselle). The 328th participated in the great St. Mihiel offensive, September 12–16, 1918 which straightened out the salient made by the Germans in 1914. Buxton's battalion led the attack of the 328th Infantry along the west bank of the Moselle River, capturing the town of Norroy and the commanding ridge north of that town.