The Navy Master Chief The Yachtsman Hat by Dorfman Pacific Co. From the 1960s is a rare and unique collectible item. Made in Oakland, California, this hat is a piece of military history from the United States Navy. With its distinctive design and theme of militaria, it is a must-have for collectors or enthusiasts of Navy memorabilia. The hat represents a time when practicality and style were combined in military uniforms, making it a valuable and sought-after piece for those interested in vintage military items.