MilitaryBest U.S. Submarine Service Retired Enlisted Ball Cap Made in the USA Officially Licensed Vendor of U.S. Army, Navy, Marine Corps, and Air Force (Beware of Unlicensed Sellers) Proceeds support Morale Wellness & Recreation (MWR) programs of the U.S. Military Quality is Guaranteed Personalize with text on back of cap (All Capital Letters in an Arch)