U.S. Air Force Senior Airman Emma Duff, a broadcaster with American Forces Network, rappels through beams during tower rescue training at Osan Air Base, South Korea, Aug. 27, 2014.
Airmen with the 51st Communications Squadron hosted the training class. (DoD photo by Staff Sgt. Jake Barreiro, U.S. Air Force/Released). Original public domain image from Flickr