to interfere as much as possible with Allied preparations. It was also reported that Allied infantry columns were spotted moving east from Taillefontaine. Order of battle The following is a list of the major units which were in place at the start of the battle 18 July 1918. In all cases divisions are listed north to south (left to right when looking at a map from the Allied perspective). Allied order of battle Allied Armies: Marshal Ferdinand Foch, Commanding General Maxime Weygand, Chief of Staff Armies of the North and Northeast: General Philipe Pétain, Commanding General Edmond Buat, Chief of Staff American General Headquarters: General John J. Pershing, Commanding Major General James W. McAndrew, Chief of Staff Group of Armies of the Reserve: General Émile Fayolle, Commanding General Gabriel Alexandre Paquette, Chief of Staff French Tenth Army: General Charles E. Mangin, Commanding Colonel Émile Hergault, Chief of Staff French I Corps: General Gustave Paul Lacapelle, Commanding French 69th Division French 153rd Division French XX Corps: General Pierre Émile Berdoulat, Commanding American 1st Division Major General Charles Pelot Summerall, Commanding Colonel Campbell King, Chief of Staff 1st Infantry Brigade 16th Infantry Regiment 18th Infantry Regiment 2nd Machine Gun Battalion 2nd Infantry Brigade 26th Infantry Regiment 28th Infantry Regiment 3rd Machine Gun Battalion 1st Field Artillery Brigade 5th Field Artillery Regiment 6th Field Artillery Regiment 7th Field Artillery Regiment 1st Trench Mortar Battery 1st Machine Gun Battalion Moroccan 1st Division General Albert Daugan, Commanding Colonel Henri Giraud, Chief of Staff 1st Moroccan Brigade Marching Regiment of the Foreign Legion, R.M.L.E. Russian Legion Battalion 12th Malagazy Tirailleurs Regiment 2nd Moroccan Brigade 7th Algerian Tirailleurs Regiment 8th Zouave Regiment American 2nd Division Major General James Harbord, Commanding Colonel Preston Brown, Chief of Staff 3rd Infantry Brigade 9th Infantry Regiment 23rd Infantry Regiment 5th Machine Gun Battalion 4th Marine Brigade 5th Marine Regiment 6th Marine Regiment 6th Machine Gun Battalion 2nd Field Artillery Brigade 12th Field Artillery Regiment 15th Field Artillery Regiment 17th Field Artillery Regiment 2nd Trench Mortar Battery 4th Machine Gun Battalion American III Corps: (In reserve) Major General Bullard, Commanding Brigadier General Alfred William Bjornstad, Chief of Staff French XXX Corps: General Hippolyte-Alphonse Penet, Commanding French 38th Division French 48th Division French XI Corps: General Prax, Commanding French 128th Division French 41st Division German order of battle German Armies: First Quartermaster-General Erich Friedrich Ludendorff, Commanding Army Group German Crown Prince Crown Prince