 - Married or cohabitating couples who have been together the past 3 months in which one partner is an OEFOIFOND veteran with PTSD. Diagnosis of PTSD will be determined by the Clinician-Administered PTSD Scale for DSM-5 CAPS-5. The veteran with PTSD must have experienced a Criterion A event that is a specific combat-related event or high magnitude operational experience that occurred during a military deployment in support of OIFOEFOND. The diagnosis of PTSD may be indexed to that event or to another Criterion A event. 