The National Museum of the United States Air Force (formerly the United States Air Force Museum) is the official museum of the United States Air Force located at Wright-Patterson Air Force Base, 6 miles northeast of Dayton, Ohio. The NMUSAF has one of the world's largest collections with more than 360 aircraft and missiles on display. The museum draws more than 1 million visitors each year, making it one of the most frequently visited tourist attractions in Ohio.