Marines and sailors attending the Operational Stress Control and Readiness train-the-trainer course practice conducting the teach-back portion of their certification, March 14, 2018, at Marine Corps Support Facility New Orleans. In order to become an OSCAR Trainer, the service members have to prove their ability to be able to teach the course and build an OSCAR team. (U.S. Marine Corps photo by Pfc. Samantha Schwoch/released)