Instances of grave tactical blunders are certainly not lacking in the history of war, but it is characteristic of tactical errors that tend to be sel… - Bernard Brodie

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Instances of grave tactical blunders are certainly not lacking in the history of war, but it is characteristic of tactical errors that tend to be self-exposing, if not in relation to some theoretical ideal then at least in relation to the best the enemy can do. In the past, it has usually been possible for strong nations to recover from them, even if at a heavy cost in blood and possibly strategic position. Strategic errors may or may not expose themselves in some obvious fashion during the course of a war, or even afterwards, and they are therefore much less likely to damage the reputations of those responsible for them.