Senior Airman Justin Simpson, a vehicle maintainer for the 126th Logistics Readiness Squadron, torques down the bolts on the fuel tank after a simulated fuel spill during the 8010 nuclear mission exercise conducted on Scott Air Force Base, Ill., June 6, 2014. The 126 ARW, an Illinois Air National Guard unit stationed at Scott Air Force Base, Ill., supports USSTRATCOM's nuclear global strike and strategic deterrence missions through aerial refueling with the KC-135R Stratotanker to deter regional and strategic threats from adversaries with ground warfare capabilities. (Air National Guard photo by Senior Airman Elise Stout)