Home2011 Treaties and Agreements ...Australia (11-1124) – Agreement Relating to the Operation of and Access to an Australian Naval Communication Station at North West Cape in Western Australia (Harold E. Holt) hide Australia (11-1124) – Agreement Relating to the Operation of and Access to an Australian Naval Communication Station at North West Cape in Western Australia (Harold E. Holt) TIAS Office of Treaty Affairs November 24, 2011 Defense: Naval Communication Station Agreement signed at Washington July 16, 2008; entered into force November 24, 2011. Download attachment [238 KB] Tags Australia Defense Treaties