Asymmetric Warfare Threats Intensify

  Military experts have noted that improvised explosive devices (IEDs) can inflict
actual and psychological damage out of proportion to their size and cost. Shown
above is a mine-damaged HMMWV that was hit near Al Asad in northern Iraq.

Asymmetric warfare has arguably been the predominant form of conflict worldwide for at least the last two or three decades. Modern theaters of war are more likely to feature insurgent and terrorist acts rather than pitched battles. Such...