Senior Airman Charles Williams, a 28th Security Forces Squadron response force team member, announces the winners of the Police Week Ruck Challenge at Heritage Lake on Ellsworth Air Force Base, S.D., May 13, 2019. Participants were required to complete the 4.5 mile ruck, while carrying at least 40 pounds on their backs. The challenge was held in recognition of National Police Week, which pays tribute to law enforcement officers who have died while serving communities nationwide. (U.S. Air Force photo by Airman 1st Class Christina Bennett)

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Photo by: Airman 1st Class Christina Bennett |  VIRIN: 190513-F-BH261-0544.JPG