UNION JACK Two sailors lower the Navy's Union Jack flag aboard the guided-missile destroyer USS Higgins before getting under way during Rim of the Pacific Exercise 2012 on Joint Base Pearl Harbor-Hickam, Hawaii, July 10, 2012. Twenty-two nations and more than 25,000 personnel are participating in RIMPAC 2012, the world's largest international maritime exercise that provides participants with the opportunity to foster and sustain the cooperative relationships that are critical to ensuring the safety of sea SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 792518-R-HHK94-126.jpg Photo Gallery