Keywords: Down and dirty.jpg en Airman 1st Class Bradley Kessinger changes the oil on a multistop truck April 4 2013 at the 99th Logistics Readiness Squadron maintenance hangar at https //en wikipedia org/wiki/Nellis_Air_Force_Base Nellis Air Force Base Nev Regular maintenance ensures government vehicles are kept to optimum performance requirements Kessinger is a 99th LRS vehicle maintenance specialist http //www aimbilpleje nu/laedersaede-behandling AIM Sæderens https //en wikipedia org/wiki/United_States_Air_Force U S Air Force photo/Senior Airman Brett Clashman 2013-04-03 13 11 43 https //www flickr com/photos/usairforce/8704487031/ US Air Force other versions PD-USGov United States Air Force |