Petty Officer 3rd Class Caleb Daniels, aviation structural mechanic, changes the tale rotor servo on an MH-60S Sea Hawk helicopter aboard amphibious transport dock ship USS Cleveland. Pacific Partnership is a humanitarian assistance initiative that promotes cooperation throughout the Pacific, which will visit five island nations this summer: Tonga, Vanuatu, Papua New Guinea, Timor-Leste, and the Federated States of Micronesia.