Learning how to fly the high-performance aircrafts that we use to keep our spaceflight readiness skills up. All astronauts, even civilians like me without pilot experience, have to learn how to co-pilot a jet called a T-38. That was hard enough in itself! Then, recently, I got to train to be an aircraft commander of another military high-performance plane called a T-6. It took every bit of grit and dedication to get through that course. Along with the challenge of learning skills like this is the every-day challenge of adapting to the wide range of new circumstances you encounter in this job.Instagram contentView on InstagramTV adidas prophere khaki pink her while she was in Fifth Harmony. Her resilience is for the Black girls, who, like her, fail the brown-paper-bag test but are still a standard of beauty. adidas prophere khaki pink Absolutely. They are all my Astro brothers and sisters, and we always have each other's backs. We are like family, which is important because we may one day be crew members in space, where that trust and confidence is so important.TVWhat’s been your greatest challenge so far?CK: adidas prophere khaki pink What’s the weirdest thing you’ve learned in space training?CK: adidas prophere khaki pink