ATD-2 ConceptThe concept behind ATD-2 is to streamline scheduling on the ground so that an airplane can take off at the exact time to make its slot in the overhead stream.Image Credit: NASA Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/atd2_animatinov1-1_impvsched-v2_0/Copy URL to clipboard> DownloadShareImage CreditNASASize1920x1005px