SSgt. Jordan Shualis, 354th AMS, guides F-16C block 40 #90-0736 from the 18th FS into position to be armed during End of Runway (EOR) duties on February 23rd, 2007. EOR duties involve arming and de-arming of bombs and making sure the aircraft is ready for flight. [USAF photo by A1C Jonathan Snyder]