James "Mad Dog" Mattis is a retired United States Marine Corps general, who last served as the 11th commander of United States Central Command. He retired (or was retired) in August 2010.
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Whichever strategy is chosen, we should be reticent in telling our adversaries in advance any timeline that governs us or which of our capabilities we will not employ. Specifically, if this threat to our nation is determined to be as significant as I believe it is, we may not wish to reassure our enemies in advance that they will not see American "boots on the ground…"