On 10 June 1918 the I Assault Division was created with three groupings of three Arditi battalions each. On 25 June 1918 the II Assault Division was raised and the two division combined the form the Assault Army Corps ("Corpo d'Armata d'Assalto"). Each division consisted of three groupings with two assault battalions and a Bersaglieri battalion. Additionally each division fielded one Bersaglieri cyclists battalion, a cavalry squadron, a mountain artillery group, a sapper battalion, and various support units. The six Bersaglieri battalions in the groupings had been deployed to Libya until 28 May 1918. Additionally the corps fielded the Cyclist Assault Reserve Battalion formed on 24 June 1918 from the remaining men of the II, VI, IX, and X cyclist battalions.