Home2018 Treaties and Agreements ...Brazil (18-403) – Agreement on Cooperation in the Peaceful Uses of Outer Space hide Brazil (18-403) – Agreement on Cooperation in the Peaceful Uses of Outer Space TIAS Office of Treaty Affairs April 3, 2018 Space Cooperation: Peaceful Uses Agreement signed at Brasilia March 19, 2011; entered into force April 3, 2018. Download attachment [1 MB] Tags Brazil Peaceful Uses Space Treaties