Petty Officer 3rd Class Sergio Alvarez from Amphibious Construction Battalion 1 hammers a nail into a support structure during a Pacific Partnership 2011 engineering project site at Talihua Town Hall on the island of Vava’u. Seabees from Amphibious Construction Battalion 1, engineers from the Tonga Defense Service and volunteers from the local community are repairing and renovating critical infrastructure at several locations on the Island. Pacific Partnership 2011 is a humanitarian assistance mission aimed at strengthening regional relationships. The mission will visit five island nations this summer: Tonga, Vanuatu, Papua New Guinea, Timor-Leste, and the Federated States of Micronesia. (U.S. Navy photo by Petty Officer 2nd Class Michael Russell)