20th SFS honors retiring MWDs
Marky, left, and Astra, 20th Security Forces Squadron military working dogs, perform their final bite during their retirement ceremony as Col. Daniel Lasica, 20th Fighter Wing commander, stands in a bite suit at Shaw Air Force Base, S.C., March 14, 2018. The dogs served a combined 21 years, or approximately 90 percent of their expected life spans. (U.S. Air Force photo by Airman 1st Class Kathryn R.C. Reaves)