The 147th found itself among the first units called to duty after the September 11 attacks in New York City , Washington DC and its own backyard in southwestern Pennsylvania with the hijacking and crash of United Airlines Flight 93 . At the time , almost all of the wing 's aircraft were in a stand-down mode , while they were converted with the Pacer Crag cockpit and navigation upgrade
United Airlines Flight 93
United Airlines Flight 93
147th Air Refueling Squadron