A new analysis from War on the Rocks argues that Western battlefield casualty evacuation (CASEVAC) doctrine is failing under the conditions of modern warfare. The core assumption—that wounded soldiers can be rapidly moved from point of injury to higher levels of care within the so-called “golden hour”—was forged during the Global War on Terror, an era characterized by air supremacy and permissive evacuation corridors. That assumption is now breaking down.
The “golden hour” concept, originating in civilian trauma medicine and attributed to Dr. R. Adams Cowley in 1975, became formal U.S. military policy in 2009 under Secretary of Defense Robert Gates. In environments where adversaries possess persistent surveillance and long-range precision fires, the window for safe extraction has effectively collapsed. Medical evacuation routes that were once assumed secure are now routinely observed, targeted, and interdicted before medevac assets can arrive.
This doctrinal mismatch carries profound implications for force attrition and morale. When troops cannot trust that a casualty will be evacuated within the golden hour—or at all—combat effectiveness erodes. The article notes that some soldiers have chosen suicide over wounding, anticipating both the futility of evacuation and the risk to comrades who would attempt to rescue them.
Analysts argue that this reality demands a fundamental rethinking of both medical planning and operational design. Rather than assuming rapid evacuation, militaries must plan for prolonged field care, tactical casevac by ground under cover, and hardened forward surgical capabilities. The piece does not prescribe specific new procedures but calls for a doctrine that mirrors the lethality and persistence of the threat environment.
A counterargument holds that technological solutions—including unmanned medevac platforms and AI-routed extraction corridors—may yet restore some of the golden hour’s viability. However, no such systems are currently fielded at scale, and adversaries are likely to adapt their targeting to exploit them just as they have current tactics.