By | September 24, 2013
Staff Sgt. Sean Veney, 437th Maintenance Squadron aerospace propulsion craftsman, prepares his video monitor and borescope before beginning a borescopic engine inspection on a C-17 Globemaster III Sept. 23, 2013, at Joint Base Charleston – Air Base, S.C. A borescopic engine inspection involves checking the combustion chamber, blades and the first stage high pressure turbine for any cracks, burns or deformation. (U.S. Air Force photo/Airman 1st Class Michael Reeves)