Access denied, base defenders react during exercise
Two U.S. Air Force 35th Security Forces Squadron members take charge of a (simulated) gate runner during and exercise at Misawa Air Base, Japan, Mar. 10, 2011. Exercises allow the Airmen of the 35th Fighter Wing to demonstrate their ability to survive and operate in contingency situations. (U.S. Air Force photo by Tech. Sgt. Russell McBride/Released)