Home2006 Treaties and Agreements ...Multilateral (06-407) – Memorandum of Understanding for Cooperation in the Ocean Surface Topography Mission hide Multilateral (06-407) – Memorandum of Understanding for Cooperation in the Ocean Surface Topography Mission TIAS Office of Treaty Affairs April 7, 2006 Space Cooperation Memorandum of understanding signed at Washington, Darmstadt, and Paris March 21, March 24, March 30, and April 7, 2006; entered into force April 7, 2006. Download attachment [1 MB] Tags Multilateral Space Treaties