The correct answer was D - 1972.
Nina Baker became the first female deck cadet to join the British Merchant Navy in 1972, opening the door to seafaring careers for countless other women. For centuries, UK merchant shipping was a male-dominated industry, but Nina played an important role in breaking that glass ceiling.
As part of an ongoing oral history project at the National Maritime Museum, Nina shared her story with us in 2020 - listen to the extracts here.
