Takuya Kanto, 35th Civil Engineer Squadron driver operator, watches as U.S. Air Force Lt. Col. Robert Grainger, 35 CES commander, operates a brake bar during rappel training at Misawa Air Base, Japan, May 10, 2013. The brake bar is used to control the friction and tension of the rope as an individual rappels to the ground. (U.S. Air Force photo by Airman 1st Class Zachary Kee)
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