Senior Master Sgt. Gordon Comerford, 28th Munitions Squadron flight chief and rider course instructor, revs his motorcycle while wearing the proper personal equipment during a basic riders’ course at Ellsworth Air Force Base, S.D., May 19, 2016.The proper personal equipment required for riders on Ellsworth are a Department of Transportation approved helmet, eye protection, long-sleeves, full-fingered gloves, pants and sturdy over the ankle footwear. (U.S. Air Force photo by Airman 1st Class Sadie Colbert/Released)