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Air Force Staff Sgt. Jeffrey Johnson-Dean, an Air Force combatives instructor assigned to 380 Air Expeditionary Wing Check Six, observes as students practice moves taught during the Air Force combatives course at an undisclosed location, Jan. 10, 2014. The course consists of stikes, joint manipulation, vascular chokes, escapes, combos and drills to give students tools to protect themselves in a fight. (U.S. Air Force photo by Staff Sgt. Michael Means/Released)
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