Complex sentence: She was key in the New South Wales Section operations during the 1940s and 50s, even though Flying Nurses didn't actually become regular until the 1960s and now around 60% of patient transports are conducted with an RFDS nurse and pilot only on board.
Split into simpler sentences: She was key in the New South Wales Section operations during the 1940s and 50s, even though Flying Nurses didn't actually become regular until the 1960s. Many patient transports are conducted with an RFDS nurse and pilot only on board.