Henry J. Kaiser-class replenishment oiler USNS Big Horn (T-AO198) conducts underway replenishments in the Philippine Sea with partners and allies, including Anzac-class frigate HMAS Warramunga (FFH 152) of the Royal Australian Navy, as part of Annual Exercise, Nov. 21-30. Naval forces from Australia, Canada, Germany, Japan and the United States took part in the multilateral, multinational exercise, led by the Japan Maritime Self-Defense Force. The exercise helps strengthen enduring relationships while sharpening naval proficiencies.