Home2011 Treaties and Agreements ...Spain (11-317) – Agreement Concerning Cooperation on the Mars Science Laboratory Mission hide Spain (11-317) – Agreement Concerning Cooperation on the Mars Science Laboratory Mission TIAS Office of Treaty Affairs March 17, 2011 Space Cooperation: Mars Science Laboratory Mission Agreement signed at Madrid March 17, 2011; entered into force March 17, 2011. Download attachment [816 KB] Tags Space Spain Treaties