A Pentagon watchdog has placed a precise number on the cost of the Iran war — $33.4 billion spent, munitions reserves drawn down, and hundreds of military facilities and aircraft damaged — offering the first official reckoning of what sustained conflict extracts from a nation's military foundation. Such reports matter not because they surprise, but because they transform the fog of war into documented fact, forcing a confrontation with the gap between what was planned and what was consumed. The deeper question the accounting raises is one as old as strategy itself: what remains in reserve when