Complex sentence: Tibor Tobak (1922--2001) was a World War II fighter pilot serving in the 3rd squadron of Hungarian 101st "Puma" air wing, who survived the war with two serious injuries and 5 aerial victories.
Split into simpler sentences: Tibor Tobak (1922--2001) was a World War II fighter pilot serving in the 3rd squadron of Hungarian 101. Honi Légvédelmi Vadászrepülő Osztály, who survived the war with two serious injuries and 5 aerial victories.