[2] Prior to World War II, General Motors briefly owned Eastern Airlines, but sold it by 1938 to quell any monopoly concerns and smooth the way for wartime production contracts.[6] In 1965, Willow Run, Michigan served as the maintenance base for GMATS, with the main passenger facility at Detroit City Airport.Anderson Municipal Airport in Indiana was another major hub for GMATS, as the region had important production facilities and no regularly scheduled flights.[8] In November 2008, General Motors Chairman Rick Wagoner (along with Ford and Chrysler CEO's) flew to Washington D.C. to ask for government assistance.This included laying off the remaining staff, relinquishing the leases on seven jets, and closing the passenger facility at Detroit Municipal Airport.