Pam Melroy is ceremonially sworn-in as the 15th NASA Deputy Administrator by NASA Administrator Bill Nelson, as her husband Doug Hollett, holds their family Bible, Monday, June 21, 2021, at NASA Headquarters Mary W. Jackson Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Bill Nelson, center, and NASA Deputy Administrator Pam Melroy, center right, speak with members of NASA’s Employee Resource Groups during a luncheon, Wednesday, July 28, 2021, at NASA’s Kennedy Space Center in Florida. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Bill Nelson, right, and NASA Deputy Administrator Pam Melroy, left, speak with members of NASA’s Employee Resource Groups during a luncheon, Wednesday, July 28, 2021, at NASA’s Kennedy Space Center in Florida. Photo Credit: (NASA/Aubrey Gemignani)