Encased mock samurai helmet. The plaque reads 'Presented to the Mayor of San Diego, Mr. HON Kevin Faulconer, by Commander, Mine Warfare Force, JMSDF, Dawn Blitz 2015'. Dawn Blitz is a multinational amphibious training exercise conducted at Camp Pendleton, Naval Base San Diego and Twenty-Nine Palms involving forces from the United States, Japan, New Zealand and Mexico. Donated by Admiral Hiroshi Oka, Commander, Mine Warfare Force, in a meeting, along with Major General Hiroaki Kawamoto, Deputy Chief of Staff.