U.S. Marines from Camp Pendleton, Calif., recieve in depth instruction on how to emergency egress from an MH-60S Knight Hawk helicopter in preparation for Pacific Partnership 2011 aboard the amphibious transport dock ship USS Cleveland. Cleveland is the flagship for Pacific Partnership 2011, which will visit five island nations this summer: Tonga, Vanuatu, Papua New Guinea, Timor-Leste, and the Federated States of Micronesia. Pacific Partnership 2011 is a humanitarian assistance initiative, which promotes cooperation throughout the Pacific.