The United States Navy (USN) is the Naval Warfare branch of the U.S. military and one of the seven uniformed services of the United States. It is the largest navy in the world, with a tonnage that is greater than that of the next 13 largest navies combined. The U.S. Navy also has the world’s largest carrier fleet, with 11 in service, one under construction, and one in reserve.
1200 Navy Pentagon
Washington, D.C. 20350-1200
Phone: (202) 433-5170
Navy International Programs Office
1250 10th Street South East, Building 200
Washington Navy Yard, D.C. 20374
Phone: (202) 433-6800