MARINE RUSH U.S. Marines prepare to enter a Mexican navy MI-17 helicopter aboard the Mexican navy transport ship ARM Usumacinta during Rim of the Pacific 2012, an exercise in the Pacific Ocean near the Hawaiian Islands, July 12, 2012. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 913431-Q-HRH54-222.jpg Photo Gallery