1st Sgt. Robert Whiteley, 1st Sgt. of Headquarters Company, 1st Stryker Brigade Combat Team, 25th Infantry Division, flips a tire during the Brigade Troops Battalion’s ‘Operation Tour de Hell’ on 21 Sept. at Fort Wainwright, Alaska. The event was an eight-hour competitive ordeal that tested the unit’s leadership in basic warrior tasks and physical endurance. ( Army photo by Sgt. Michael Blalack. 1/25 SBCT Public Affairs) 120921-A-AX238-007 by 1 Stryker Brigade Combat Team Arctic Wolves

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