The balloon crew are an integral part of a hot air balloon flight, making sure that the balloon is properly inflated, launches correctly and helping the pilot to navigate and land safely. There are many tasks which the balloon crew must complete to ensure a safe flight for both the pilot and there passengers. Source- https://www.trendsmuseum.com/a-hot-air-balloon-wouldnt-get-off-the-ground-without-the-balloon-crew/
https://www.trendsmuseum.com/do-you-have-any-experience-with-balloon-safari/