Combat veterans are highly inclined to develop substance use disorders, including Cannabis Use Disorder (CUD), with emerging evidence suggesting that combat related Potentially Morally Injurious Events (PMIEs) may increase proneness to CUD. To explore the moderating role of time since release from military duty, mixed methodology was applied. In a quantitative study, 322 Israeli cannabis-using male combat veterans filled out validated self-report questionnaires assessing PMIEs, CUD and time since release from military duty. Results indicate that self-inflicted transgressions and sense of betrayal were significantly associated with CUD symptoms (