Complex sentence: Rayak Air Base was constructed and used by the Germans in World War I. After liberation by the allies Armee d'l'air personnel trained Lebanese Air Force technicians in aircraft maintenance and on 1 August 1945, Lebanon took command of its armed forces, including Rayak air base.
Split into simpler sentences: Rayak Air Base was constructed and used by the Germans in World War I. After liberation by the allies Armee d'l'air personnel trained Lebanese Air Force technicians in aircraft maintenance. On 1 August 1945, Lebanon took command of its armed forces, including Rayak air base.