<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngo-August 1917, uGatley wakhushulelwa esikhundleni sokuba ngu-brigadier general njengomlawuli we-55th Field Artillery Brigade, iyunithi ye-30th Division. Kamuva wadluliselwa ekulawuleni i-67th Field Artillery Brigade ye-42nd Division, ayihola kwaze kwaba sekupheleni kwempi. Wabamba iqhaza emncintiswaneni waseChampagne-Marne  <response>: , Aisne-Marne, St. Mihiel, futhi Meuse-Argonne izimpi nokuhlaselwa. Kusukela ngoDisemba 1917 kuya kuJanuwari 1918, uGatley wayephethe i-30th Division. Ngo-1919 wayephethe i- 42nd Division ngesikhathi ingxenye yomsebenzi wayo wokuhlala ngemuva kwempi eJalimane. 