06 April 2023 U.S. Coast Guard, U.S. Navy, Mexican Navy and Royal Canadian Navy participate in North American Maritime Security Initiative ALAMEDA, Calif. -- The U.S. Coast Guard, along with the U.S. Navy, Mexican Navy (SEMAR) and the Royal Canadian Navy (RCN) participated in the North American Maritime Security Initiative (NAMSI) exercise off the coast of Manzanillo, Mexico March 27-31...