Truth for Health Virtual University Presents the Faith Over Fear: Planning For Chaos seminar series. In this installment guest speaker and Truth For Health Advisor Lt. Col Us Army (ret) Peter Constantine Chambers, D.O. discusses Preparing to Navigate the Minefield of Fear. Dr. Chambers draws on his experience as a Green Beret and Combat Physician as he lays out practical strategies for civilians (mental, physical, spiritual) that have been used to train soldiers to overcome fear and maintain peak performance in combat.