Combat Casualties: Any injury (service member or military working dog) that occurs during infiltration, actions on the objective, consolidation, relief-in-place, defense and/or exfiltration that requires any prehospital care including killed-in-action (KIA) and died of wounds (DOW). A combat casualty is further clarified as any casualty awarded a Purple Heart or meeting Purple Heart criteria regardless of declared level of hostilities.

Non-Battle Injuries (NBI): Any non-battle injuries involving trauma where POI care is provided and requires patient evacuation or degrades the individual?s ability to perform their mission.

Disease non-battle injury (DNBI) that requires evacuation or extensive field medical care normally conducted in a hospital setting. Criterion includes any significant ailment or disease that would require hospitalization or specialty provider consultation under normal circumstances.