Staff Sgt. Matthew O'Neal replaces a faulty bracket on an inert GBU-12 munition Jan. 28, 2014, at Nellis Air Force Base, Nev. O'Neal is participating in the combat exercise Red Flag 14-1, whichh gives Airmen an opportunity to experience realistic combat scenarios to prepare and train Airmen in the event of future conflicts or war. O’Neal is a 366th Equipment Maintenance Squadron aircraft structural maintainer. (U.S. Air Force photo/Senior Airman Benjamin Sutton)