Mezue ahịrịokwu na-esonụ: Ná ngwụsị afọ 1937 e kenyere ya ọrụ na Ministri Agha, na Eprel 1939 a họpụtara ya ịbụ ọchịagha nke ebe e guzobere na Bari, na nkwadebe nke
mbuso agha nke Albania. N'ọnwa June 1939 o weghaara iwu nke ndị ọrụ nke ndị agha ndị agha na Tirana ruo n'ọnwa Ọktọba, mgbe ọ laghachiri Bari dị ka Onye isi ndị ọrụ nke IX Army Corps, ọkwa ọ ka na-arụ mgbe Italy banyere Agha Worldwa nke Abụọ na 10 June 1940. Na 1 Jenụwarị 1942 e buliri ya n'ọkwa brigadier general na ọnwa na-esote ọ ghọrọ osote onye isi nke 132nd Armored Division Ariete (General Giuseppe De Stefanis), na-alụ ọgụ na North Africa. N'ọnwa June n'afọ 1942, e nyere ya ọlaọcha ọlaọcha ọzọ maka ike agha maka ọrụ ya n'agha nke Gazala. Na 28 June 1942 Arena dochie De Stefanis (onye e buliri elu na commando nke XX Corps mgbe ọnwụ nke General Ettore Baldassarre) na iwu nke "Ariete" ruo 25 July, mgbe General Adolfo Infante nyere iwu nke nkewa. Mgbe Infante hapụrụ iwu nke nkewa ahụ, na 17 Septemba 1942, Arena weghaara iwu ọzọ ma si otú a bụrụ onye isi ya n'oge agha nke abụọ nke El Alamein, nke e bibiri nkewa ahụ.