The Double Asteroid Redirection Test (DART) will attempt a technique that could one day be used to prevent an impact by a hazardous asteroid. To prioritize both mission success & team safety I have directed that we pursue the secondary launch window, which opens Nov 24. (1/3) pic.twitter.com/ovZTAV9Rei

— Thomas Zurbuchen (@Dr_ThomasZ) February 17, 2021