NASA Deputy Administrator Pam Melroy, right, shows NASA Administrator Bill Nelson the white board created by the families of the astronauts of the STS-120 mission, after a tour of the firing rooms in the Launch Control Center, Wednesday, July 28, 2021, at NASA’s Kennedy Space Center in Florida. Deputy Administrator Melroy served as commander on STS-120, which was her third and final spaceflight.
Credit: NASA/Aubrey Gemignani