Whakaotihia te rerenga e whai ake nei: I muri i tana whakauru mai i te Whare Wananga o Edwardes i Peshawar, ka uru ia ki te Pakistan Air Force i te 1956, ka ngaro i te tau 1957 i reira i whakawhiwhia ai ia hei Pilot Officer. I haere tonu te whakangungu i te United States i reira i eke ai a Flying Officer ki te rere i te F-104 Starfighter ka uru ki te pakanga tuarua me India i te tau 1965. Ko te Flight-Lieutenant Hakimullah, me te tere o te Mach 1.1, i aukati i te Folland Gnat o te Indian Air Force i rerehia e te kaikawe rererangi o taua wa a Brijpal Singh Sikand, i akiakihia kia tau atu ki te papa rererangi i Pasrur, Pakistan. Heoi, kua whakahehia tenei kereme e India. I te tau 1971, i rere a Wing-Commander Hakimullah i te Mirage-IIIA i te taha uru o te
te toru o nga pakanga ki Inia, e kite ana i nga mahi rererangi ki te MiG-21.