Home2005 Treaties and Agreements ...Australia (05-421.1) – Agreement Concerning Cooperative and Collaborative Research, Development, and Engineering Project Arrangement on the Australia/United States Phased Array Radar (AUSPAR) Project hide Australia (05-421.1) – Agreement Concerning Cooperative and Collaborative Research, Development, and Engineering Project Arrangement on the Australia/United States Phased Array Radar (AUSPAR) Project TIAS Office of Treaty Affairs April 21, 2005 Defense: Cooperation Agreement signed at Washington and Canberra April 11 and 21, 2005; entered into force April 21, 2005. With annexes. Download attachment [797 KB] Tags Australia Defense Treaties