ALS class rucks on
Staff Sgt. Quentin Tubbs, 436th Civil Engineer Squadron explosive ordnance disposal technician, and Senior Airman Sean McGraw, 736th Aircraft Maintenance Squadron, lead the front during a ruck march Oct. 19, 2017, on Dover Air Force Base, Del. The EOD Flight took all 32 Airman Leadership School students on the ruck that featured a controlled explosion at the EOD range. (U.S. Air Force photo by Senior Airman Zachary Cacicia)