Airman 1st Class Arr’tez Cook, 69th Maintenance Squadron aerospace ground equipment apprentice, checks the self generating nitrogen serving cart for leaks on May 7, 2014, at Grand Forks Air Force Base, N.D. Cook performs phase two inspections daily by checking wire components, bolts, screws and washers on equipment. (U.S. Air Force photo/Senior Airman Xavier Navarro)
Staff Sgt. Michael Robertson, 69th Maintenance Squadron aerospace ground equipment craftsman, uses safety wire pliers to tighten a cable to a shear bolt on an aircraft tow bar on May 7, 2014, at Grand Forks Air Force Base, N.D. Robertson fixes and inspects equipment when it is near total failure, to be ready for dispatch to the flightline for servicing aircrafts. (U.S. Air Force photo/Senior Airman Xavier Navarro)