It failed to understand the importance of unconventional enemy tactics such as the use of improvised explosive devices.

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Understand that we want soldiers on the front lines of battle to have the most up-to-date intelligence that's possible about the enemy that they face, the tactics that they use.

WHITEHOUSE: Press Briefing

The field squad portion of the game is more about combat tactics, maximizing your weaponry and out-thinking (and out-shooting) the enemy.

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Such tactics have been familiar in the US ever since the Chicago Crime Commission published a "public enemy" list in 1930 of Al Capone and other hoodlums.

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