Complex sentence: Before the Libyan civil war it operated domestic services between Tripoli and Benghazi and international scheduled services to over 25 countries in Europe, Africa, Asia, and the Middle East; since the war it is trying to rebuild its business and repair damaged aircraft.
Split into simpler sentences: Before the Libyan civil war it operated domestic services between Tripoli and Benghazi and international scheduled services to over 25 countries in Europe, Africa, Asia and the Middle East. Since the war, it is trying to rebuild its business and repair damaged aircraft.