Mezue ahịrịokwu na-esonụ: N'oge na-adịghị anya mgbe Agha Ụwa nke Abụọ tiwapụrụ na September 1939, Lieutenant General Sir Thomas Blamey họpụtara Vasey ka ọ bụrụ onye isi nke Ngalaba nke Isii. Na Machị 1941, Vasey weghaara iwu nke 19th Infantry Brigade, nke o duziri na Agha Gris na Agha Crete. N'ịlaghachi Australia na 1942, a kwalitere Vasey ka ọ bụrụ onye isi ndị isi ma bụrụ osote onye isi ndị isi ndị isi. N'ọnwa Septemba afọ 1942, ọ malitere ịchị ngalaba nke asaa, na-alụso ndị Japan agha na mpaghara
Mgbasa Kokoda Track na Agha nke Buna-Gona. N'afọ 1943, ọ malitere njem nke abụọ ya na New Guinea, na-eduzi Ngalaba nke 7 na Landing na Nadzab na mkpọsa Finisterre Range na-esote.