NASA Administrator Jim Bridenstine, right, signs an agreement with Dr. Marc Serres, chief executive officer, Luxembourg Space Agency (LSA), left, while the Honorable James Randolph Evans, Ambassador to the Grant Duchy of Luxembourg, back right, and Etienne Schneider, Deputy Prime Minister, back left, observe at the 70th International Astronautical Congress, Tuesday, Oct. 22, 2019 in Washington. Photo Credit: (NASA/Aubrey Gemignani)