Argentina has become the 28th signatory to the Artemis Accords, signing the document at a ceremony at the Casa Rosada in Buenos Aires on Thursday, July 27, 2023. NASA Administrator Bill Nelson participated in the signing ceremony for NASA, and Daniel Filmus, Minister of Science, Technology, and Innovation, signed on behalf of Argentina. Argentine President Alberto Fernández and Marc Stanley, the U.S. Ambassador to Argentina, also were in attendance.