As a fighter pilot , he fought in the Spanish Civil War .
As a fighter pilot , he claimed 5 aerial victories while flying for the Legion Condor ( including a I - 15 on 9 September 1937 and an I - 16 on 18 May 1938 ) .
As a fighter pilot , he fought in the Spanish Civil War and claimed 5 aerial victories while flying for the Legion Condor ( including a I - 15 on 9 September 1937 and an I - 16 on 18 May 1938 ) .