Navy Day is observed annually on October 27. It is a day to salute all of the women and men who serve, or have served, in the United States Navy.
The United States Navy (USN) is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is currently the largest, most powerful navy in the world, with the highest combined battle fleet tonnage. The U.S. Navy has the world’s largest aircraft carrier fleet, with ten in service, four in the reserve fleet and three new class carriers under construction. The service has over 300,000 personnel on active duty and more than 100,000 in the Navy Reserve. It has 272 deploy-able combat ships and more than 3,700 aircraft in active service as of September 2015.