Whakaotihia te rerenga e whai ake nei: I muri i tana wehenga mai i Sandhurst, i tukuna a Bellamy hei tuarua tuarua ki te Duke o Cornwall's Light Infantry i te 28 o Akuhata 1930. I whakatairangahia ia ki te rangatira i te 29 o Akuhata 1930. I mahi ia i te Pakanga o Parani me te 2nd Battalion, DCLI, i te tau 1940 a i whakahuatia ia i roto i nga korero mo ana ratonga i te marama o Tihema. I whakatairangahia ia ki te koromatua i te tau 1943 ka mahi ia i te raki o Uropi i te tau 1944 me te 1945, hei Kaiwhakahaere Whakahaere (CO) o te 1st Battalion, Royal Norfolk Regiment, i whakatairangahia ia ki te whakahau i te Oketopa 1943. I whakahaua e Bellamy te ope taua i te Rā D-landing me te Pakanga o Normandy me te Pakanga o Normandy.
Te pakanga ki te Raki-ki-te-Rāwhiti o Ūropi.