Australian Anzac-class frigate HMAS Warramunga (FFGH 152) returns to Joint Base Pearl Harbor-Hickam after participating in Rim of the Pacific (RIMPAC) 2010 exercises. RIMPAC is a biennial, multinational exercise designed to strengthen regional partnerships and improve multinational interoperability. (Photo: U.S. Navy/Mass Communication Specialist 2nd Class Class Jon Dasbach/Released)