October 20, 2016 - A Marine Corps military policeman and two civilian provost marshal officers assigned to the Provost Marshal's Office lower the American flag after evening colors are played during the annual Red Ribbon Trunk or Treat event held aboard Marine Corps Air Station Yuma, Arizona. The event was hosted and sponsored by Marine Corps Community Services to promote a drug-free Marine Corps and raise awareness for sexual assault prevention. (U.S. Marine Corps photo by Lance Cpl. Christian Cachola)