“…With it have come a cadre of accompanying battlefield innovations, including advances in trauma resuscitation and hemostasis, [5][6][7][8][9] trauma databases and reporting systems, 5,10,11 tactical combat causality care, 12,13 and treatment of traumatic brain injuries/mild traumatic brain wounds. 5,14 In the 12 years since multinational coalition forces deployed to Iraq (Operation Iraqi Freedom) and the 14 years since Operation Enduring Freedom in Afghanistan began, the establishment of clear definitions, 1,15 measureable outcomes, 1,16 and trauma innovations [5][6][7][8][9][10][11][12][13] have led to dramatic improvements in trauma outcomes among military patients. 1,12,17 Military investment in trauma research through the Defense Health Program and development of the Department of Defense Joint Trauma System and its associated trauma registry have enabled systematic identification and adaptation of both novel and existing operative techniques that, in partnership with civilian trauma researchers, have lead to development of a documented series of ''battlefield innovations.''…”