Moalin would later earn a Master of Military Arts and Science degree from Kyiv, Ukraine, the Soviet Union Air Force Academies.
In 1966 he trained at the Scuola AVvanzato Base Elica in Latina, Italy, eventually becoming a licensed flight instructor for military transport aircraft such as the C-45 Expeditor and C-47 Skytrain or Dakota (Douglas DC-3).
In Somali-Ethiopian conflict Mustafa is also credited to have shot down two enemy aircraft over Ogadenia territory and carrying out numerous strategic long distance bombing.
In November 1978 Mustafa became the Air Force Academy's commander and a year later with request from the office of the presidency he was transferred and employed by Somali Airlines where he taught different courses and supervised many Pilots.
He help bring first commercial jet planes Boeing 707 to Somali Airlines serving as Captain pilot and flight instructor after studying at American Air Academy in Dallas, Texas, US.
He loved his country and people and spent his last moments in exile in Moorhead, Minnesota, US, with his wife, children, grandchildren and other extended family members.