Combat Center Riders leave Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., during the Behavioral Health Branch’s Substance Abuse Awareness Ride for Freedom, Freedom to Ride motorcycle event, May 19, 2017. The Behavioral Health Branch held the event to promote safe and sober driving. (U.S. Marine Corps photo by Cpl. Thomas Mudd) - Combat Center Riders leave Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., during the Behavioral Health Branch’s Substance Abuse Awareness Ride for Freedom, Freedom to Ride motorcycle event, May 19, 2017. The Behavioral Health Branch held the event to promote safe and sober driving. (U.S. Marine Corps photo by Cpl. Thomas Mudd)