Home2014 Treaties and Agreements ...Japan (14-1121.1) – Agreement on Space Cooperation with Observatory Satellites hide Japan (14-1121.1) – Agreement on Space Cooperation with Observatory Satellites TIAS Office of Treaty Affairs November 21, 2014 Space Cooperation: Observatory Satellites Agreement effected by exchange of notes at Washington November 21, 2014; entered into force November 21, 2014. With memorandum of understanding. Download attachment [1 MB] Tags Japan Space Treaties