911th Airlift Wing Welcomes President Barack Obama Published Sept. 29, 2009 By Staff Sgt. Daniel Irwin 911 AW/PA PITTSBURGH IAP ARS -- President Barack Obama waves as he is about to board Air Force One at the 911th Airlift Wing, Pittsburgh, Pa. The President was here to speak at the American Federation of Labor and Congress of Industrial Organizations (AFL-CIO) convention in Pittsburgh, Pa. on September 15, 2009. (Air Force photo by Staff Sgt. Daniel Irwin.)