2012 Defenders of Liberty Air Show
2012 Defenders of Liberty Air Show
Staff Sgt. Joseph Sigmon, 2nd Operations Support Squadron, looks over a military flight plan as he talks to an Airman in the control tower during the 2012 Barksdale Air Force Base Defenders of Liberty Air Show April 22. Sigmon provided the control tower information on the departure of outbound aircraft. The military flight plan, or DD Form 175, is used by the base to keep track of aircraft routes, destinations and air speed. (U.S. Air Force photo/Airman 1st Class Benjamin Gonsier)(RELEASED)