Tanker Ground Inspection
Crew Chief SSgt. Williams Bowers from the 191st Aircraft Maintenance Squadron performs a ground inspection on a KC-135 Stratotanker, looking for hydraulic leaks while the engines are running at Selfridge Air National Guard Base, Mich., June 8, 2013. Bowers was pleased to report that the inspection showed the tanker's hydraulic system to be in perfect working order. (U.S. Air National Guard photo by TSgt. David Kujawa) (Released)