Tech. Sgt. Ryan Goodridge, 90th Security Forces Squadron MWD Section kennel master, sits next to Nnimitz outside of the MWD kennel after demonstrating training techniques June 17. Nnimitz was retired due to a disorder of the adrenal gland. Nnimitz’ retirement ceremony was held on May 5, 2013. (U.S. Air Force photo by Airman Malcolm Mayfield)