NASA astronaut Sunita Williams, currently in space due to technical issues with the Boeing Starliner, has sparked discussions about her career and the effects of space travel on the human body. Inspired by Top Gun, she initially aimed to fly jets but later found her path in aviation and space. Williams shared insights on physiological changes in space, including bone density loss, muscle atrophy, and spinal expansion, emphasising the rigorous exercise needed to counteract these effects.