US military has a long history of killing foes with entrenching tools
Command Sgt. Maj. Troxell's comments put hand-to-hand combat back in the spotlight.
By Tara Copp, AP
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ISIS must surrender or face death by shovel, top enlisted leader tells troops
Troxell carried a shovel during his speech to rile up troops in the fight against ISIS.
By Tara Copp, AP