Both countries had their own Air Force fitted with formerly used Italian aircraft and other nation's planes. Meanwhile, the Italian National Republican Air Force continued fighting against the Allies till the last months of 1945, and the Italian Co-Belligerent Air Force begun operation against the Nazi forces in the Balkans.
Both nations possessed air forces containing previously used Italian aircraft and planes from various countries. Simultaneously, the Italian National Republican Air Force persisted in combatting the Allies until late 1945, while the Italian Co-Belligerent Air Force initiated operations against Nazi forces in the Balkans.