Home2022 Treaties and Agreements ...Argentina (22-308) – Extension of Memorandum of Understanding for Cooperation in Space Geodetic Research hide Argentina (22-308) – Extension of Memorandum of Understanding for Cooperation in Space Geodetic Research TIAS Office of Treaty Affairs March 8, 2022 Space: Geodesy Exchange of letters at Washington and Buenos Aires March 8, 2022; entered into force March 8, 2022. Extension of Memorandum of Understanding of October 26, 2011: TIAS 11-1026. Download Agreement [865 KB] Tags Argentina Space Treaties