Shortly after news broke that the NGA preferred the north St. Louis site, Senator Dick Durbin, Senator Mark Kirk, Congressman Mike Bost, Congressman Rodney Davis and Congressman John Shimkus asked the NGA to extend the public comment to May 2, which they did. During the extended comment period, the lawmakers sent a four-page letter to the NGA outlining why the agency should chose the chose the St. Clair County location, which is next to Scott Air Force Base.