KRI Abdul Halim Perdanakusuma leads KRI Frans Kaisiepo during Exercise New Horizon 2011 Mid Caption: From the 24th to 26th of November 2011 HMAS Warramunga and HMAS Sirius participated in Exercise New Horizon 2011 with Indonesian warships KRI Frans Kaisiepo and KRI Abdul Halim Perdanakusuma. (Photo: Australia DoD)