Mike Monroney Aeronautical Center is a regional office of the United States Federal Aviation Administration on the grounds of Will Rogers Airport in Oklahoma City.[1][2] With around 7,500 direct federal employees,[3] the Aeronautical Center is one of the Department of Transportation's largest facilities outside the Washington, DC area, and one of the 10 largest employers in the Oklahoma City metropolitan area. It is named for Senator Mike Monroney of Oklahoma, who wrote and sponsored the Federal Aviation Act of 1958.