During our journey, we did weight lifting, squats, and dead lifts to regenerate the bone density. Luckily, my muscle mass and bone density did not alter. Our workout was so rigorous.

It's - I mean, the Olympics, what is it? It's an international competition to foster friendship and - and competition across - across the planet, and I think that's exactly what the International Space Station is.

In my space journey, I felt vulnerable because we did not have anyone with medical background. When we make that big trip to Mars, we would need a doctor on board.

Sunita Williams Quotes