An Air Force Crewchief cleans the axle of the main landing gear while putting new brakes on a KC-10A Extender at Diego Garcia in support of Operation ENDURING FREEDOM. In response to the terrorist attacks on September 11, 2001 at the New York World Trade Center and the Pentagon, President George W. Bush initiated Operation ENDURING FREEDOM in support of the Global War on Terrorism (GWOT), fighting terrorism abroad