Making the climb
KUNSAN AIR BASE, Republic of Korea -- Staff Sgt. Robert Grotefend, 8th Operation Support Squadron, instructs Airman 1st Class Jason Early, 391st Aircraft Maintenance Unit, on how to come down from the rock wall Jan. 27. A rock wall is a man-made wall that is used for rock climbing. (U.S. Air Force photo/Senior Airman Roy Lynch)