Beginning in 1999, Department of Defense policy directed the military services to develop Combat and Operational Stress Control (COSC) programs to address prevention, early identification, and management of the negative effects of combat and operational stress. The aim of this study is to provide a narrative review of COSC programs and organize them into a prevention framework to clarify gaps and future directions. A systematic search was conducted to identify studies between 2001 and 2020 in peer-reviewed articles or government-sponsored reports describing an evaluation of COSC programs. The target population of these programs was US service members who had participated in an intervention designed to address combat or operational stress in a deployed, operational, or field setting. These programs then were rated for level of evidence and categorized using a tiered prevention model. This search identified 36 published evaluations of 19 COSC programs and interventions from. Most programs were described as effective in addressing target outcomes, with behavioral health outcomes reported for 13 of the 19 identified programs; the remaining six focused on knowledge base and behavior changes. Delivery of these prevention programs also ranged from peer-based implementation to formal treatment, including programs at all prevention levels. COSC interventions show promise for helping service members manage stress, with more than half of the programs showing evidence from studies using randomized designs. Future iterations of COSC program evaluations should explore the development of a joint curriculum using existing content in a tiered prevention framework.
Keywords: Military; combat stress; deployment; forward intervention; operational stress.