Senior Master Sgt. Gordon Comerford, 28th Munitions Squadron flight chief and motorcycle safety course instructor, prepares to lead other riders participating in a motorcycle safety course sanctioned by the Motorcycle Safety Foundation at the Pride Hangar at Ellsworth Air Force Base, S.D., May 20, 2016. All personnel who ride a motorcycle on base are required to wear a Department of Transportation approved helmet, long sleeve shirt, gloves, pants and boots that cover their ankles. (U.S. Air Force photo by Airman 1st Class Sadie Colbert)