109e R.I.T. 21e R.Chasseurs à cheval (with 3 squadroons) 6e R.Génie (with 6 companies) 8e R.Génie (with 1 telegraph company)
escadrille 22 and 254
This is the OOB in 15 June 1918, in march during the battle of Piave the commanders are different: 12e Corps d'Armée : gén. Pierre Nourisson (till 29.03.1918) 24e D.I. : gén. Jules Priou (from 13.06.1918 to 15.06.1918 gén. Auguste Desvoyes)
SOURCE: Italian Official History of WW1, vol. 5/1 e 5/2