Senior Airman Carlos Rivera, a motorcycle safety representative with the 509th Munitions Squadron holds up a helmet with safety certifications stickers Aug. 28, 2019, at Whiteman Air Force Base, Missouri. The Department of Transportation safety standards provide the minimum safety requirements for a helmet, while other certifications, in addition to the DOT, can signify a safer helmet. (U.S. Air Force photo by Airman 1st Class Parker J. McCauley)