The U.S. Coast Guard Cutters Steadfast and Edisto,

The U.S. Coast Guard Cutters Steadfast and Edisto, Canadian naval vessels Nanaimo and Whitehorse, the Mexican navy vessel Revolución and two Mexican navy fast patrol craft steam in formation off the Mexican coastline in the Pacific Ocean Feb. 21, 2015, as part of the North American Maritime Security Initiative (NAMSI). The NAMSI Pacific Exercise is designed to establish a learning environment for players to exercise emergency response plans, policies and procedures as they pertain to maritime homeland security/maritime homeland defense. (U.S. Coast Guard photo by Petty Officer 2nd Class Rob Simpson)