Which one of the following resources is primarily intended to ensure peace of mind for the family members left behind during a deployment?

The primary resource intended to ensure peace of mind for family members left behind during a deployment is a Family Assistance Program. These programs provide support services, including counseling, financial advice, and community resources, helping families cope with the challenges of having a loved one deployed. They aim to keep families informed and connected, thereby reducing anxiety and fostering resilience during the deployment period.