Complex sentence: Operating under cover of darkness, Levett transported tons of arms, ammunition and personnel, as well as the disassembled Messerschmitts; the airlift was instrumental in Israel's success in the War for Independence.
Split into simpler sentences: Operating under cover of darkness, Levett transported tons of arms, ammunition and personnel, as well as the disassembled Messerschmitts. The airlift was instrumental in Israel's success in the War for Independence.