A C-17 aircraft assigned to the 911th Airlift Wing flies over the 911th AW as a signed beam ready to be installed in the hangar which will house the aircraft sits at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, Oct. 4, 2017. This beam, signed by base members, will be the last to be installed in the roof of the hangar.(U.S. Air Force courtesy photo by Master Sgt. Frank Powell)