Coast Guard crew members observe crane operations during the Hawaii Alternate Port Concept Full Scale Exercise at Joint Base Pearl Harbor-Hickam, June 5, 2015. The purpose of this exercise is to prepare the state, Navy, Coast Guard and industry response partners for their roles during a major catastrophic event that closes the Port of Honolulu and requires the activation of the Alternate Port in Pearl Harbor. (U.S. Coast Guard photo by Petty Officer 2nd Class Tara Molle)