Robyn Gatens, director of NASA’s International Space Station Division, left, Thomas Zurbuchen, associate administrator for NASA’s Science Mission Directorate, second from left, NASA Administrator Bill Nelson, second from right, and Bob Cabana, NASA associate administrator, right, speak to members of the media prior to the launch of a Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft, Tuesday, Aug. 10, 2021, at NASA's Wallops Flight Facility in Virginia. Northrop Grumman’s 16th contracted cargo resupply mission for NASA launched at 6:01 p.m. EDT and will deliver nearly 8,200 pounds of science and research, crew supplies and vehicle hardware to the International Space Station and its crew. Photo Credit: (NASA/Joel Kowsky)