Step into the vanguard of battlefield medicine with Dr. John M. Croushorn, an engineer-turned-emergency physician whose innovations are redefining trauma treatment. From his pivotal career switch of joining Army Medicine post-9/11 to creating the Abdominal Aortic Junctional Tourniquet (AAJT-S), this episode weaves together the personal and the technical, providing an intimate look at the challenges and triumphs of military medicine.