Airmen of the 28th Security Forces Squadron render salutes as the flag is lowered during a Police Week retreat ceremony on Ellsworth Air Force Base, S.D., May 15, 2014. For more than 47 years National Police Week has been a time dedicated to honor local, state and federal law enforcement members currently serving as well as remembering fallen officers. (U.S. Air Force photo by Senior Airman Zachary Hada/Released)