Tech. Sgt. Jonah Cornwell, 66th Security Forces Squadron, participates in a three-mile ruck march during National Police Week activities at Hanscom Air Force Base, Mass., May 16. The event was held to remember Senior Airmen Nathan Sartain and Kacey Ruiz and Jason Khai Phan, along with other law enforcement officers who have lost their lives in the line of duty. (U.S. Air Force photo by Mark Herlihy)
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