Kọ itẹsiwaju fun paragirafi yii - Lẹyin ti o pari ile iwe giga Edwardes College ni Peshawar, o darapọ mọ ile-iṣẹ afẹfẹ ti Pakistan ni ọdun 1956, ti o jade ni ọdun 1957 nibi ti o ti gba igbimọ gẹgẹbi Oṣiṣẹ Pilot. Ikẹkọ siwaju waye ni Orilẹ Amẹrika nibiti Oṣiṣẹ Flying ti ni oye lati fo ọkọ ofurufu F-104 Starfighter ati kopa ninu ogun keji pẹlu India ni ọdun 1965. Flight-Lieutenant Hakimullah, pẹlu iyara ti Mach 1.1, ni pataki ṣe agbekalẹ Folland Gnat ti Indian Air Force ti o n fo nipasẹ lẹhinna-Flight lieutenant Brijpal Singh Sikand, ẹniti o fi agbara mu lati de nitosi ni papa ọkọ ofurufu ni Pasrur, Pakistan. Àmọ́, àwọn ará Íńdíà kò fara mọ́ ohun tí wọ́n sọ yìí. Ní ọdún 1971, Wing-Commander Hakimullah fò Mirage-IIIA ní ìhà ìwọ̀ oòrùn ogun kẹta
pẹlu India, ri air akitiyan lodi si awọn MiG-21.