The boldest test flight in history
![The boldest test flight in history](https://planetary.s3.amazonaws.com/web/assets/pictures/_2400x1873_crop_center-center_82_line/20170322_sts-1-crew-portrait.jpg 2400w, https://planetary.s3.amazonaws.com/web/assets/pictures/_1200x936_crop_center-center_82_line/20170322_sts-1-crew-portrait.jpg 1200w, https://planetary.s3.amazonaws.com/web/assets/pictures/_768x599_crop_center-center_60_line/20170322_sts-1-crew-portrait.jpg 768w, https://planetary.s3.amazonaws.com/web/assets/pictures/_576x449_crop_center-center_60_line/20170322_sts-1-crew-portrait.jpg 576w)
Accelerate progress in our three core enterprises — Explore Worlds, Find Life, and Defend Earth. You can support the entire fund, or designate a core enterprise of your choice.
Give TodayKnow the cosmos and our place within it.
Empowering the world's citizens to advance space science and exploration.