All systems a go
Staff Sgt. Dwayne Elders, 911th Air Refueling Squadron avionics craftsman, and Senior Airman Christopher Fuller, 916th Air Refueling Wing avionics apprentice, perform an inertial navigation system test on a KC-135R Stratotanker on Seymour Johnson Air Force Base, N.C., March 15, 2010. Elders is training Fuller how to properly perform the test so he can earn his 5-level qualification. Elders hails from Dearborn, Mich., and Fuller is a native of Holly Springs, N.C. (U.S. Air Force photo/Airman 1st Class Gino Reyes)