It’s been the greatest honor to live out my lifelong dream of being a @NASA Astronaut. Thank you to the #NASAVillage and all who have supported me along the way. As I reminisce on my many treasured memories, it’s safe to say my journey at NASA has been out of this world! pic.twitter.com/F4Dzrud4yL

— Peggy Whitson (@AstroPeggy) June 15, 2018